Figure 4 Trends in the Transportation Output Index,,,
,Orginal series,Phase Average Trend,HP Trend
1/1/1980,68.2,64.7,64.8
2/1/1980,66.9,64.4,64.6
3/1/1980,64.1,64.1,64.4
4/1/1980,62.8,63.9,64.2
5/1/1980,62.3,63.7,64.1
6/1/1980,60.8,63.5,63.9
7/1/1980,60.4,63.3,63.7
8/1/1980,60.7,63.0,63.5
9/1/1980,61.5,62.8,63.3
10/1/1980,62.8,62.6,63.1
11/1/1980,62.6,62.5,63.0
12/1/1980,65.5,62.4,62.8
1/1/1981,65.2,62.3,62.6
2/1/1981,64.6,62.1,62.5
3/1/1981,63.9,61.9,62.3
4/1/1981,63.3,61.8,62.2
5/1/1981,61.7,61.7,62.1
6/1/1981,62.3,61.7,61.9
7/1/1981,63.2,61.6,61.8
8/1/1981,61.0,61.6,61.7
9/1/1981,62.2,61.3,61.6
10/1/1981,61.7,60.9,61.4
11/1/1981,60.2,60.6,61.3
12/1/1981,60.7,60.2,61.3
1/1/1982,58.0,59.9,61.2
2/1/1982,58.6,59.6,61.1
3/1/1982,59.1,59.3,61.0
4/1/1982,58.5,59.0,61.0
5/1/1982,57.5,58.7,60.9
6/1/1982,59.0,58.5,60.9
7/1/1982,57.2,58.2,60.8
8/1/1982,56.7,57.9,60.8
9/1/1982,56.9,57.7,60.8
10/1/1982,54.8,57.7,60.8
11/1/1982,55.5,57.7,60.8
12/1/1982,57.3,57.8,60.8
1/1/1983,57.2,58.1,60.9
2/1/1983,57.4,58.5,60.9
3/1/1983,58.9,58.8,60.9
4/1/1983,57.3,59.2,61.0
5/1/1983,58.6,59.6,61.1
6/1/1983,61.1,59.9,61.1
7/1/1983,60.9,60.3,61.2
8/1/1983,61.0,60.7,61.3
9/1/1983,61.2,61.0,61.4
10/1/1983,59.7,61.4,61.5
11/1/1983,61.3,61.8,61.6
12/1/1983,61.8,62.2,61.7
1/1/1984,62.7,62.6,61.8
2/1/1984,64.8,62.7,62.0
3/1/1984,64.7,62.8,62.1
4/1/1984,64.2,63.0,62.3
5/1/1984,65.7,63.1,62.4
6/1/1984,65.8,63.3,62.6
7/1/1984,64.0,63.4,62.7
8/1/1984,66.0,63.6,62.9
9/1/1984,63.5,63.8,63.1
10/1/1984,64.4,63.9,63.2
11/1/1984,64.3,64.0,63.4
12/1/1984,63.5,64.1,63.6
1/1/1985,64.0,64.2,63.8
2/1/1985,62.3,64.3,64.0
3/1/1985,62.6,64.5,64.2
4/1/1985,64.2,64.6,64.4
5/1/1985,65.0,64.7,64.6
6/1/1985,62.9,64.8,64.8
7/1/1985,63.4,64.9,65.1
8/1/1985,63.7,65.0,65.3
9/1/1985,62.3,65.2,65.5
10/1/1985,63.5,65.3,65.7
11/1/1985,62.8,65.5,66.0
12/1/1985,65.1,65.7,66.2
1/1/1986,67.0,65.9,66.5
2/1/1986,65.7,66.1,66.7
3/1/1986,65.2,66.3,67.0
4/1/1986,67.0,66.5,67.2
5/1/1986,66.0,66.7,67.5
6/1/1986,65.4,66.9,67.7
7/1/1986,68.9,67.1,68.0
8/1/1986,67.9,67.3,68.2
9/1/1986,68.6,67.5,68.5
10/1/1986,68.7,67.8,68.8
11/1/1986,67.2,68.2,69.0
12/1/1986,70.1,68.6,69.3
1/1/1987,69.9,69.1,69.6
2/1/1987,70.6,69.5,69.8
3/1/1987,71.3,69.9,70.1
4/1/1987,72.2,70.4,70.3
5/1/1987,69.7,70.8,70.6
6/1/1987,71.5,71.3,70.9
7/1/1987,74.4,71.7,71.1
8/1/1987,71.4,72.1,71.4
9/1/1987,74.2,72.6,71.6
10/1/1987,74.2,73.0,71.9
11/1/1987,74.3,73.5,72.1
12/1/1987,76.7,73.7,72.4
1/1/1988,74.8,73.9,72.6
2/1/1988,78.5,74.1,72.8
3/1/1988,76.9,74.4,73.1
4/1/1988,76.4,74.6,73.3
5/1/1988,75.8,74.9,73.5
6/1/1988,77.7,75.1,73.8
7/1/1988,75.5,75.4,74.0
8/1/1988,77.0,75.6,74.2
9/1/1988,78.2,75.9,74.4
10/1/1988,75.7,76.1,74.6
11/1/1988,77.9,76.4,74.8
12/1/1988,79.4,76.7,75.1
1/1/1989,77.1,77.0,75.3
2/1/1989,76.4,77.2,75.5
3/1/1989,76.4,77.5,75.7
4/1/1989,75.0,77.8,75.9
5/1/1989,76.4,78.1,76.1
6/1/1989,77.5,78.4,76.3
7/1/1989,73.8,78.3,76.4
8/1/1989,76.8,78.2,76.6
9/1/1989,77.1,78.2,76.8
10/1/1989,76.1,78.1,77.0
11/1/1989,77.6,78.0,77.2
12/1/1989,77.2,78.0,77.4
1/1/1990,77.8,77.9,77.6
2/1/1990,78.8,77.8,77.8
3/1/1990,79.4,77.8,78.0
4/1/1990,77.9,77.7,78.2
5/1/1990,79.2,77.6,78.4
6/1/1990,78.2,77.5,78.6
7/1/1990,78.2,77.4,78.8
8/1/1990,81.3,77.7,79.0
9/1/1990,79.0,78.0,79.2
10/1/1990,80.8,78.3,79.4
11/1/1990,80.4,78.5,79.6
12/1/1990,76.7,78.8,79.8
1/1/1991,78.5,79.1,80.0
2/1/1991,75.9,79.4,80.2
3/1/1991,73.7,79.6,80.5
4/1/1991,77.3,79.9,80.7
5/1/1991,78.7,80.2,80.9
6/1/1991,75.5,80.5,81.1
7/1/1991,80.8,80.8,81.4
8/1/1991,81.8,81.1,81.6
9/1/1991,82.3,81.4,81.9
10/1/1991,83.9,81.7,82.1
11/1/1991,80.9,82.0,82.4
12/1/1991,80.2,82.3,82.6
1/1/1992,82.6,82.7,82.9
2/1/1992,83.2,83.0,83.2
3/1/1992,82.1,83.4,83.5
4/1/1992,82.4,83.8,83.7
5/1/1992,82.2,84.2,84.0
6/1/1992,83.9,84.6,84.3
7/1/1992,87.9,85.0,84.6
8/1/1992,84.5,85.4,84.9
9/1/1992,86.2,85.8,85.2
10/1/1992,85.7,86.2,85.5
11/1/1992,84.0,86.5,85.8
12/1/1992,85.5,86.9,86.1
1/1/1993,85.3,87.3,86.5
2/1/1993,84.5,87.6,86.8
3/1/1993,85.7,87.9,87.1
4/1/1993,86.8,88.2,87.5
5/1/1993,84.7,88.5,87.8
6/1/1993,86.0,88.8,88.1
7/1/1993,85.9,89.1,88.5
8/1/1993,85.5,89.4,88.8
9/1/1993,89.2,89.7,89.2
10/1/1993,88.7,90.0,89.6
11/1/1993,90.3,90.3,89.9
12/1/1993,89.7,90.6,90.3
1/1/1994,86.7,90.9,90.7
2/1/1994,87.9,91.2,91.0
3/1/1994,93.5,91.5,91.4
4/1/1994,84.5,91.8,91.8
5/1/1994,91.4,92.0,92.2
6/1/1994,93.4,92.3,92.6
7/1/1994,91.7,92.6,92.9
8/1/1994,93.8,92.9,93.3
9/1/1994,97.0,93.2,93.7
10/1/1994,94.4,93.5,94.1
11/1/1994,99.7,93.7,94.5
12/1/1994,104.6,94.2,94.9
1/1/1995,101.4,94.6,95.3
2/1/1995,100.6,95.1,95.7
3/1/1995,100.3,95.5,96.1
4/1/1995,94.4,96.0,96.5
5/1/1995,99.1,96.4,96.9
6/1/1995,98.0,96.9,97.3
7/1/1995,94.2,97.3,97.6
8/1/1995,99.9,97.8,98.0
9/1/1995,99.2,98.2,98.4
10/1/1995,97.1,98.7,98.8
11/1/1995,99.1,99.2,99.2
12/1/1995,95.7,99.6,99.6
1/1/1996,96.9,99.9,100.0
2/1/1996,100.0,100.2,100.4
3/1/1996,99.0,100.5,100.8
4/1/1996,98.6,100.8,101.2
5/1/1996,101.5,101.1,101.6
6/1/1996,97.5,101.3,102.0
7/1/1996,100.0,101.6,102.4
8/1/1996,100.5,101.9,102.8
9/1/1996,99.9,102.2,103.1
10/1/1996,102.9,102.5,103.5
11/1/1996,101.5,102.8,103.9
12/1/1996,101.6,103.1,104.3
1/1/1997,104.5,103.3,104.7
2/1/1997,104.1,103.6,105.1
3/1/1997,103.4,103.9,105.5
4/1/1997,105.0,104.2,105.8
5/1/1997,105.5,104.5,106.2
6/1/1997,103.7,104.7,106.6
7/1/1997,106.4,105.0,107.0
8/1/1997,105.3,105.3,107.3
9/1/1997,109.8,106.0,107.7
10/1/1997,110.6,106.6,108.1
11/1/1997,106.9,107.3,108.4
12/1/1997,110.9,108.0,108.8
1/1/1998,110.3,108.7,109.1
2/1/1998,110.5,109.3,109.4
3/1/1998,112.0,110.0,109.8
4/1/1998,112.7,110.7,110.1
5/1/1998,111.9,111.4,110.4
6/1/1998,113.1,112.0,110.7
7/1/1998,113.2,112.7,111.0
8/1/1998,110.3,113.4,111.3
9/1/1998,112.6,114.1,111.6
10/1/1998,114.0,114.3,111.9
11/1/1998,113.2,114.6,112.1
12/1/1998,114.3,114.8,112.4
1/1/1999,112.4,115.1,112.7
2/1/1999,114.4,115.3,112.9
3/1/1999,119.4,115.6,113.1
4/1/1999,116.3,115.8,113.4
5/1/1999,115.1,116.0,113.6
6/1/1999,116.8,116.2,113.8
7/1/1999,116.1,116.1,114.0
8/1/1999,116.7,116.0,114.2
9/1/1999,119.1,115.8,114.4
10/1/1999,118.3,115.7,114.5
11/1/1999,121.8,115.5,114.7
12/1/1999,120.0,115.4,114.9
1/1/2000,117.6,115.3,115.0
2/1/2000,121.4,115.1,115.1
3/1/2000,119.4,115.0,115.3
4/1/2000,112.6,114.9,115.4
5/1/2000,120.0,114.7,115.5
6/1/2000,117.8,114.6,115.6
7/1/2000,114.1,114.5,115.7
8/1/2000,118.9,114.6,115.8
9/1/2000,115.6,114.8,115.9
10/1/2000,116.8,115.0,116.0
11/1/2000,118.7,115.2,116.0
12/1/2000,112.3,115.3,116.1
1/1/2001,118.8,115.5,116.2
2/1/2001,114.5,115.6,116.2
3/1/2001,118.2,115.8,116.3
4/1/2001,115.5,115.9,116.3
5/1/2001,120.9,116.0,116.4
6/1/2001,115.5,116.2,116.4
7/1/2001,116.6,116.3,116.5
8/1/2001,120.2,116.4,116.5
9/1/2001,101.6,116.5,116.6
10/1/2001,108.8,116.6,116.6
11/1/2001,110.1,116.7,116.6
12/1/2001,108.6,116.8,116.7
1/1/2002,114.7,116.9,116.7
2/1/2002,110.7,117.0,116.8
3/1/2002,112.5,117.1,116.8
4/1/2002,116.3,117.2,116.8