,Instrument,"U.S. government securities/Treasury constant maturities/Nominal"
  ,Maturity,"20-year"
  ,Frequency,"Weekly (Friday)"
  ,Description,"Market yield on U.S. Treasury securities at 20-year constant maturity, quoted on investment basis"
  ,Note,"Yields on actively traded non-inflation-indexed issues adjusted to constant maturities. The 30-year Treasury constant maturity series was discontinued on February 18, 2002, and reintroduced on February 9, 2006. From February 18, 2002, to February 9, 2006, the U.S. Treasury published a factor for adjusting the daily nominal 20-year constant maturity in order to estimate a 30-year nominal rate. The historical adjustment factor can be found at www.treas.gov/offices/domestic-finance/debt-management/interest-rate/ltcompositeindex_historical.shtml. Source: U.S. Treasury."


DATE      , TCMNOMY20
10/01/1993, 6.12
10/08/1993, 6.09
10/15/1993, 5.99
10/22/1993, 6.03
10/29/1993, 6.14
11/05/1993, 6.31
11/12/1993, 6.35
11/19/1993, 6.39
11/26/1993, 6.47
12/03/1993, 6.42
12/10/1993, 6.31
12/17/1993, 6.45
12/24/1993, 6.41
12/31/1993, 6.41
01/07/1994, 6.48
01/14/1994, 6.34
01/21/1994, 6.38
01/28/1994, 6.35
02/04/1994, 6.38
02/11/1994, 6.52
02/18/1994, 6.58
02/25/1994, 6.76
03/04/1994, 6.86
03/11/1994, 6.95
03/18/1994, 6.96
03/25/1994, 7.02
04/01/1994, 7.18
04/08/1994, 7.41
04/15/1994, 7.39
04/22/1994, 7.44
04/29/1994, 7.34
05/06/1994, 7.51
05/13/1994, 7.69
05/20/1994, 7.44
05/27/1994, 7.54
06/03/1994, 7.50
06/10/1994, 7.39
06/17/1994, 7.50
06/24/1994, 7.57
07/01/1994, 7.67
07/08/1994, 7.74
07/15/1994, 7.74
07/22/1994, 7.62
07/29/1994, 7.60
08/05/1994, 7.49
08/12/1994, 7.66
08/19/1994, 7.63
08/26/1994, 7.69
09/02/1994, 7.62
09/09/1994, 7.76
09/16/1994, 7.87
09/23/1994, 7.93
09/30/1994, 7.99
10/07/1994, 8.08
10/14/1994, 8.01
10/21/1994, 8.06
10/28/1994, 8.16
11/04/1994, 8.21
11/11/1994, 8.26
11/18/1994, 8.22
11/25/1994, 8.15
12/02/1994, 8.10
12/09/1994, 7.99
12/16/1994, 8.00
12/23/1994, 7.97
12/30/1994, 7.96
01/06/1995, 8.02
01/13/1995, 7.99
01/20/1995, 7.95
01/27/1995, 7.97
02/03/1995, 7.81
02/10/1995, 7.76
02/17/1995, 7.73
02/24/1995, 7.69
03/03/1995, 7.61
03/10/1995, 7.68
03/17/1995, 7.48
03/24/1995, 7.55
03/31/1995, 7.51
04/07/1995, 7.48
04/14/1995, 7.46
04/21/1995, 7.46
04/28/1995, 7.41
05/05/1995, 7.29
05/12/1995, 7.04
05/19/1995, 6.95
05/26/1995, 6.86
06/02/1995, 6.66
06/09/1995, 6.60
06/16/1995, 6.64
06/23/1995, 6.54
06/30/1995, 6.60
07/07/1995, 6.59
07/14/1995, 6.56
07/21/1995, 6.84
07/28/1995, 6.90
08/04/1995, 6.92
08/11/1995, 6.95
08/18/1995, 7.00
08/25/1995, 6.93
09/01/1995, 6.74
09/08/1995, 6.65
09/15/1995, 6.61
09/22/1995, 6.64
09/29/1995, 6.70
10/06/1995, 6.55
10/13/1995, 6.47
10/20/1995, 6.38
10/27/1995, 6.40
11/03/1995, 6.36
11/10/1995, 6.35
11/17/1995, 6.34
11/24/1995, 6.36
12/01/1995, 6.25
12/08/1995, 6.10
12/15/1995, 6.13
12/22/1995, 6.19
12/29/1995, 6.06
01/05/1996, 6.06
01/12/1996, 6.18
01/19/1996, 6.06
01/26/1996, 6.11
02/02/1996, 6.11
02/09/1996, 6.17
02/16/1996, 6.16
02/23/1996, 6.46
03/01/1996, 6.55
03/08/1996, 6.57
03/15/1996, 6.82
03/22/1996, 6.82
03/29/1996, 6.81
04/05/1996, 6.85
04/12/1996, 7.07
04/19/1996, 6.99
04/26/1996, 6.98
05/03/1996, 7.13
05/10/1996, 7.21
05/17/1996, 7.05
05/24/1996, 7.02
05/31/1996, 7.09
06/07/1996, 7.16
06/14/1996, 7.30
06/21/1996, 7.25
06/28/1996, 7.16
07/05/1996, 7.12
07/12/1996, 7.23
07/19/1996, 7.11
07/26/1996, 7.12
08/02/1996, 7.03
08/09/1996, 6.86
08/16/1996, 6.90
08/23/1996, 6.98
08/30/1996, 7.17
09/06/1996, 7.26
09/13/1996, 7.22
09/20/1996, 7.15
09/27/1996, 7.07
10/04/1996, 6.95
10/11/1996, 6.92
10/18/1996, 6.92
10/25/1996, 6.92
11/01/1996, 6.79
11/08/1996, 6.66
11/15/1996, 6.56
11/22/1996, 6.53
11/29/1996, 6.51
12/06/1996, 6.52
12/13/1996, 6.66
12/20/1996, 6.73
12/27/1996, 6.67
01/03/1997, 6.76
01/10/1997, 6.89
01/17/1997, 6.90
01/24/1997, 6.92
01/31/1997, 6.95
02/07/1997, 6.80
02/14/1997, 6.73
02/21/1997, 6.70
02/28/1997, 6.85
03/07/1997, 6.96
03/14/1997, 7.01
03/21/1997, 7.09
03/28/1997, 7.11
04/04/1997, 7.21
04/11/1997, 7.23
04/18/1997, 7.21
04/25/1997, 7.21
05/02/1997, 7.08
05/09/1997, 7.00
05/16/1997, 6.98
05/23/1997, 7.04
05/30/1997, 7.07
06/06/1997, 6.93
06/13/1997, 6.87
06/20/1997, 6.76
06/27/1997, 6.80
07/04/1997, 6.78
07/11/1997, 6.61
07/18/1997, 6.57
07/25/1997, 6.52
08/01/1997, 6.44
08/08/1997, 6.59
08/15/1997, 6.70
08/22/1997, 6.65
08/29/1997, 6.71
09/05/1997, 6.68
09/12/1997, 6.70
09/19/1997, 6.49
09/26/1997, 6.43
10/03/1997, 6.40
10/10/1997, 6.39
10/17/1997, 6.46
10/24/1997, 6.44
10/31/1997, 6.27
11/07/1997, 6.27
11/14/1997, 6.22
11/21/1997, 6.15
11/28/1997, 6.15
12/05/1997, 6.12
12/12/1997, 6.15
12/19/1997, 6.04
12/26/1997, 5.99
01/02/1998, 6.01
01/09/1998, 5.82
01/16/1998, 5.80
01/23/1998, 5.93
01/30/1998, 5.96
02/06/1998, 5.96
02/13/1998, 5.96
02/20/1998, 5.90
02/27/1998, 6.00
03/06/1998, 6.11
03/13/1998, 5.99
03/20/1998, 5.95
03/27/1998, 5.99
04/03/1998, 5.97
04/10/1998, 5.93
04/17/1998, 5.97
04/24/1998, 6.03
05/01/1998, 6.10
05/08/1998, 6.03
05/15/1998, 6.06
05/22/1998, 6.00
05/29/1998, 5.93
06/05/1998, 5.89
06/12/1998, 5.81
06/19/1998, 5.77
06/26/1998, 5.75
07/03/1998, 5.73
07/10/1998, 5.71
07/17/1998, 5.82
07/24/1998, 5.79
07/31/1998, 5.83
08/07/1998, 5.74
08/14/1998, 5.70
08/21/1998, 5.68
08/28/1998, 5.57
09/04/1998, 5.47
09/11/1998, 5.41
09/18/1998, 5.38
09/25/1998, 5.34
10/02/1998, 5.19
10/09/1998, 5.16
10/16/1998, 5.39
10/23/1998, 5.42
10/30/1998, 5.35
11/06/1998, 5.54
11/13/1998, 5.48
11/20/1998, 5.46
11/27/1998, 5.46
12/04/1998, 5.31
12/11/1998, 5.29
12/18/1998, 5.32
12/25/1998, 5.47
01/01/1999, 5.42
01/08/1999, 5.47
01/15/1999, 5.49
01/22/1999, 5.44
01/29/1999, 5.39
02/05/1999, 5.53
02/12/1999, 5.62
02/19/1999, 5.69
02/26/1999, 5.80
03/05/1999, 5.93
03/12/1999, 5.86
03/19/1999, 5.78
03/26/1999, 5.87
04/02/1999, 5.92
04/09/1999, 5.78
04/16/1999, 5.78
04/23/1999, 5.83
04/30/1999, 5.85
05/07/1999, 6.01
05/14/1999, 6.09
05/21/1999, 6.12
05/28/1999, 6.11
06/04/1999, 6.27
06/11/1999, 6.35
06/18/1999, 6.37
06/25/1999, 6.45
07/02/1999, 6.34
07/09/1999, 6.33
07/16/1999, 6.20
07/23/1999, 6.23
07/30/1999, 6.34
08/06/1999, 6.42
08/13/1999, 6.52
08/20/1999, 6.43
08/27/1999, 6.35
09/03/1999, 6.50
09/10/1999, 6.51
09/17/1999, 6.52
09/24/1999, 6.46
10/01/1999, 6.50
10/08/1999, 6.58
10/15/1999, 6.68
10/22/1999, 6.74
10/29/1999, 6.68
11/05/1999, 6.48
11/12/1999, 6.42
11/19/1999, 6.44
11/26/1999, 6.53
12/03/1999, 6.64
12/10/1999, 6.54
12/17/1999, 6.67
12/24/1999, 6.82
12/31/1999, 6.80
01/07/2000, 6.88
01/14/2000, 6.91
01/21/2000, 6.92
01/28/2000, 6.77
02/04/2000, 6.61
02/11/2000, 6.60
02/18/2000, 6.55
02/25/2000, 6.44
03/03/2000, 6.45
03/10/2000, 6.48
03/17/2000, 6.40
03/24/2000, 6.30
03/31/2000, 6.30
04/07/2000, 6.12
04/14/2000, 6.13
04/21/2000, 6.22
04/28/2000, 6.28
05/05/2000, 6.48
05/12/2000, 6.61
05/19/2000, 6.59
05/26/2000, 6.54
06/02/2000, 6.39
06/09/2000, 6.27
06/16/2000, 6.25
06/23/2000, 6.30
06/30/2000, 6.30
07/07/2000, 6.23
07/14/2000, 6.22
07/21/2000, 6.23
07/28/2000, 6.13
08/04/2000, 6.08
08/11/2000, 6.03
08/18/2000, 6.02
08/25/2000, 5.98
09/01/2000, 6.00
09/08/2000, 5.99
09/15/2000, 6.06
09/22/2000, 6.19
09/29/2000, 6.14
10/06/2000, 6.17
10/13/2000, 6.06
10/20/2000, 6.00
10/27/2000, 5.94
11/03/2000, 6.02
11/10/2000, 6.09
11/17/2000, 5.99
11/24/2000, 5.91
12/01/2000, 5.84
12/08/2000, 5.73
12/15/2000, 5.65
12/22/2000, 5.56
12/29/2000, 5.58
01/05/2001, 5.54
01/12/2001, 5.61
01/19/2001, 5.65
01/26/2001, 5.75
02/02/2001, 5.65
02/09/2001, 5.59
02/16/2001, 5.65
02/23/2001, 5.69
03/02/2001, 5.53
03/09/2001, 5.52
03/16/2001, 5.45
03/23/2001, 5.42
03/30/2001, 5.59
04/06/2001, 5.62
04/13/2001, 5.72
04/20/2001, 5.86
04/27/2001, 5.88
05/04/2001, 5.83
05/11/2001, 5.85
05/18/2001, 5.98
05/25/2001, 5.98
06/01/2001, 5.98
06/08/2001, 5.87
06/15/2001, 5.82
06/22/2001, 5.79
06/29/2001, 5.81
07/06/2001, 5.91
07/13/2001, 5.83
07/20/2001, 5.69
07/27/2001, 5.67
08/03/2001, 5.65
08/10/2001, 5.65
08/17/2001, 5.58
08/24/2001, 5.53
08/31/2001, 5.48
09/07/2001, 5.53
09/14/2001, 5.43
09/21/2001, 5.58
09/28/2001, 5.53
10/05/2001, 5.35
10/12/2001, 5.43
10/19/2001, 5.37
10/26/2001, 5.33
11/02/2001, 5.13
11/09/2001, 5.03
11/16/2001, 5.31
11/23/2001, 5.54
11/30/2001, 5.60
12/07/2001, 5.63
12/14/2001, 5.83
12/21/2001, 5.79
12/28/2001, 5.81
01/04/2002, 5.83
01/11/2002, 5.71
01/18/2002, 5.60
01/25/2002, 5.70
02/01/2002, 5.66
02/08/2002, 5.60
02/15/2002, 5.65
02/22/2002, 5.59
03/01/2002, 5.61
03/08/2002, 5.80
03/15/2002, 5.98
03/22/2002, 6.00
03/29/2002, 6.00
04/05/2002, 5.93
04/12/2002, 5.85
04/19/2002, 5.85
04/26/2002, 5.79
05/03/2002, 5.73
05/10/2002, 5.77
05/17/2002, 5.91
05/24/2002, 5.84
05/31/2002, 5.78
06/07/2002, 5.77
06/14/2002, 5.67
06/21/2002, 5.57
06/28/2002, 5.61
07/05/2002, 5.61
07/12/2002, 5.52
07/19/2002, 5.52
07/26/2002, 5.40
08/02/2002, 5.44
08/09/2002, 5.30
08/16/2002, 5.13
08/23/2002, 5.17
08/30/2002, 5.12
09/06/2002, 4.93
09/13/2002, 4.95
09/20/2002, 4.83
09/27/2002, 4.79
10/04/2002, 4.78
10/11/2002, 4.78
10/18/2002, 5.14
10/25/2002, 5.22
11/01/2002, 5.07
11/08/2002, 5.03
11/15/2002, 4.94
11/22/2002, 5.04
11/29/2002, 5.14
12/06/2002, 5.13
12/13/2002, 5.01
12/20/2002, 5.04
12/27/2002, 4.91
01/03/2003, 4.93
01/10/2003, 5.08
01/17/2003, 5.07
01/24/2003, 4.96
01/31/2003, 4.96
02/07/2003, 4.92
02/14/2003, 4.91
02/21/2003, 4.88
02/28/2003, 4.78
03/07/2003, 4.68
03/14/2003, 4.68
03/21/2003, 4.94
03/28/2003, 4.96
04/04/2003, 4.91
04/11/2003, 4.95
04/18/2003, 4.94
04/25/2003, 4.89
05/02/2003, 4.82
05/09/2003, 4.70
05/16/2003, 4.51
05/23/2003, 4.34
05/30/2003, 4.38
06/06/2003, 4.37
06/13/2003, 4.21
06/20/2003, 4.31
06/27/2003, 4.43
07/04/2003, 4.56
07/11/2003, 4.68
07/18/2003, 4.88
07/25/2003, 5.09
08/01/2003, 5.34
08/08/2003, 5.34
08/15/2003, 5.45
08/22/2003, 5.39
08/29/2003, 5.38
09/05/2003, 5.42
09/12/2003, 5.27
09/19/2003, 5.18
09/26/2003, 5.09
10/03/2003, 5.00
10/10/2003, 5.21
10/17/2003, 5.35
10/24/2003, 5.23
10/31/2003, 5.20
11/07/2003, 5.27
11/14/2003, 5.22
11/21/2003, 5.07
11/28/2003, 5.13
12/05/2003, 5.20
12/12/2003, 5.15
12/19/2003, 5.05
12/26/2003, 5.03
01/02/2004, 5.13
01/09/2004, 5.11
01/16/2004, 4.92
01/23/2004, 4.92
01/30/2004, 5.02
02/06/2004, 4.99
02/13/2004, 4.93
02/20/2004, 4.92
02/27/2004, 4.90
03/05/2004, 4.86
03/12/2004, 4.66
03/19/2004, 4.65
03/26/2004, 4.65
04/02/2004, 4.82
04/09/2004, 5.03
04/16/2004, 5.18
04/23/2004, 5.24
04/30/2004, 5.28
05/07/2004, 5.39
05/14/2004, 5.56
05/21/2004, 5.49
05/28/2004, 5.41
06/04/2004, 5.47
06/11/2004, 5.52
06/18/2004, 5.46
06/25/2004, 5.40
07/02/2004, 5.35
07/09/2004, 5.24
07/16/2004, 5.22
07/23/2004, 5.20
07/30/2004, 5.30
08/06/2004, 5.17
08/13/2004, 5.06
08/20/2004, 5.04
08/27/2004, 5.05
09/03/2004, 4.98
09/10/2004, 4.99
09/17/2004, 4.92
09/24/2004, 4.80
10/01/2004, 4.84
10/08/2004, 4.95
10/15/2004, 4.85
10/22/2004, 4.79
10/29/2004, 4.79
11/05/2004, 4.85
11/12/2004, 4.95
11/19/2004, 4.88
11/26/2004, 4.86
12/03/2004, 5.02
12/10/2004, 4.86
12/17/2004, 4.80
12/24/2004, 4.84
12/31/2004, 4.92
01/07/2005, 4.88
01/14/2005, 4.80
01/21/2005, 4.71
01/28/2005, 4.70
02/04/2005, 4.62
02/11/2005, 4.49
02/18/2005, 4.61
02/25/2005, 4.74
03/04/2005, 4.79
03/11/2005, 4.84
03/18/2005, 4.91
03/25/2005, 4.98
04/01/2005, 4.93
04/08/2005, 4.87
04/15/2005, 4.79
04/22/2005, 4.68
04/29/2005, 4.64
05/06/2005, 4.64
05/13/2005, 4.62
05/20/2005, 4.53
05/27/2005, 4.47
06/03/2005, 4.33
06/10/2005, 4.31
06/17/2005, 4.46
06/24/2005, 4.35
07/01/2005, 4.31
07/08/2005, 4.41
07/15/2005, 4.46
07/22/2005, 4.52
07/29/2005, 4.53
08/05/2005, 4.61
08/12/2005, 4.62
08/19/2005, 4.50
08/26/2005, 4.46
09/02/2005, 4.36
09/09/2005, 4.44
09/16/2005, 4.53
09/23/2005, 4.56
09/30/2005, 4.59
10/07/2005, 4.64
10/14/2005, 4.72
10/21/2005, 4.75
10/28/2005, 4.82
11/04/2005, 4.89
11/11/2005, 4.89
11/18/2005, 4.81
11/25/2005, 4.77
12/02/2005, 4.79
12/09/2005, 4.80
12/16/2005, 4.77
12/23/2005, 4.71
12/30/2005, 4.60
01/06/2006, 4.62
01/13/2006, 4.65
01/20/2006, 4.59
01/27/2006, 4.69
02/03/2006, 4.75
02/10/2006, 4.73
02/17/2006, 4.76
02/24/2006, 4.70
03/03/2006, 4.76
03/10/2006, 4.91
03/17/2006, 4.90
03/24/2006, 4.90
03/31/2006, 5.01
04/07/2006, 5.11
04/14/2006, 5.22
04/21/2006, 5.26
04/28/2006, 5.30
05/05/2006, 5.37
05/12/2006, 5.37
05/19/2006, 5.36
05/26/2006, 5.29
06/02/2006, 5.32
06/09/2006, 5.21
06/16/2006, 5.23
06/23/2006, 5.35
06/30/2006, 5.38
07/07/2006, 5.34
07/14/2006, 5.25
07/21/2006, 5.23
07/28/2006, 5.21
08/04/2006, 5.14
08/11/2006, 5.13
08/18/2006, 5.11
08/25/2006, 5.03
09/01/2006, 4.98
09/08/2006, 5.01
09/15/2006, 4.99
09/22/2006, 4.91
09/29/2006, 4.81
10/06/2006, 4.84
10/13/2006, 4.99
10/20/2006, 4.99
10/27/2006, 4.97
11/03/2006, 4.83
11/10/2006, 4.83
11/17/2006, 4.80
11/24/2006, 4.76
12/01/2006, 4.69
12/08/2006, 4.69
12/15/2006, 4.77
12/22/2006, 4.82
12/29/2006, 4.88
01/05/2007, 4.84
01/12/2007, 4.88
01/19/2007, 4.96
01/26/2007, 5.01
02/02/2007, 5.04
02/09/2007, 4.96
02/16/2007, 4.95
02/23/2007, 4.91
03/02/2007, 4.78
03/09/2007, 4.76
03/16/2007, 4.78
03/23/2007, 4.82
03/30/2007, 4.89
04/06/2007, 4.94
04/13/2007, 5.00
04/20/2007, 4.93
04/27/2007, 4.92
05/04/2007, 4.89
05/11/2007, 4.89
05/18/2007, 4.97
05/25/2007, 5.07
06/01/2007, 5.11
06/08/2007, 5.21
06/15/2007, 5.37
06/22/2007, 5.33
06/29/2007, 5.28
07/06/2007, 5.27
07/13/2007, 5.27
07/20/2007, 5.19
07/27/2007, 5.09
08/03/2007, 5.00
08/10/2007, 5.06
08/17/2007, 5.05
08/24/2007, 5.00
08/31/2007, 4.90
09/07/2007, 4.82
09/14/2007, 4.73
09/21/2007, 4.87
09/28/2007, 4.92
10/05/2007, 4.86
10/12/2007, 4.95
10/19/2007, 4.88
10/26/2007, 4.72
11/02/2007, 4.71
11/09/2007, 4.68
11/16/2007, 4.61
11/23/2007, 4.49
11/30/2007, 4.40
12/07/2007, 4.46
12/14/2007, 4.61
12/21/2007, 4.58
12/28/2007, 4.66
01/04/2008, 4.43
01/11/2008, 4.40
01/18/2008, 4.32
01/25/2008, 4.28
02/01/2008, 4.35
02/08/2008, 4.39
02/15/2008, 4.49
02/22/2008, 4.58
02/29/2008, 4.56
03/07/2008, 4.48
03/14/2008, 4.39
03/21/2008, 4.22
03/28/2008, 4.32
04/04/2008, 4.37
04/11/2008, 4.33
04/18/2008, 4.44
04/25/2008, 4.52
05/02/2008, 4.54
05/09/2008, 4.58
05/16/2008, 4.58
05/23/2008, 4.56
05/30/2008, 4.72
06/06/2008, 4.70
06/13/2008, 4.78
06/20/2008, 4.81
06/27/2008, 4.69
07/04/2008, 4.59
07/11/2008, 4.51
07/18/2008, 4.62
07/25/2008, 4.72
08/01/2008, 4.66
08/08/2008, 4.63
08/15/2008, 4.58
08/22/2008, 4.48
08/29/2008, 4.43
09/05/2008, 4.34
09/12/2008, 4.28
09/19/2008, 4.20
09/26/2008, 4.48
10/03/2008, 4.30
10/10/2008, 4.28
10/17/2008, 4.60
10/24/2008, 4.46