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Statistics

Table 7: Average Time-in-Detention for Persons Booked (Admission Cohort) by the U.S. Marshals Service, by Offense at Booking, Fiscal Year 1994-2008
Offense at Booking
Admission Year Total Violent Property Drugs Other Weapons Immigration Supervision Material Witness Not Reported
1994 122.5 200.0 115.5 198.6 104.9 174.1 73.9 62.6 41.9 45.0
1995 134.0 220.3 115.8 217.6 127.6 191.2 86.5 66.9 27.7 50.4
1996 136.0 236.8 124.5 214.7 150.2 198.7 87.3 69.1 42.5 52.6
1997 139.0 231.6 128.3 223.7 144.2 201.6 93.4 68.5 37.7 53.4
1998 141.4 233.5 130.2 225.2 169.3 200.2 102.5 70.3 35.2 54.9
1999 142.4 253.9 133.2 224.6 146.2 198.0 109.8 71.4 35.8 53.7
2000 148.6 249.7 136.3 232.6 147.5 208.4 116.7 76.0 30.0 66.5
2001 154.0 257.5 141.9 240.4 148.8 214.9 120.5 82.4 36.1 61.5
2002 157.6 257.9 140.5 244.3 152.7 222.9 132.3 77.3 35.9 66.3
2003 163.4 288.5 150.9 255.8 148.1 236.7 135.6 82.2 38.4 72.6
2004 159.9 286.8 154.2 269.1 160.2 251.0 116.6 85.2 44.0 74.2
2005 163.9 282.8 149.6 278.4 179.8 251.7 126.2 90.5 40.6 69.8
2006 153.6 278.6 158.9 279.0 183.1 253.9 105.9 91.7 34.1 68.6
2007 118.4 200.8 117.3 210.9 131.6 210.3 81.0 80.7 35.4 63.9
2008 104.1 192.0 120.2 197.0 126.7 196.7 72.1 82.4 35.8 50.9

Notes:
1. Total include observations for which the offense at booking was not reported or was indeterminable.
2. Bookings for supervision violations include parole, supervised release, and probation violations.

Data Source: U.S. Marshal Service, Prisoner Tracking System, December 31, 2008 Extract (Actual).
Source: Office of the Federal Detention Trustee



Table 8: Proportion of persons booked by the USMS Bookings who were ordered detained more than 4 days, by offense at booking, Fiscal Year 1994-2008
Offense at Booking
Admission Year Total Violent Property Drugs Other Weapons Immigration Supervision Material Witness Not Reported
1994 56.1% 77.7%
 29.0% 72.8% 43.7% 65.3% 62.6% 68.5% 65.1% 50.7%
1995 58.7% 77.9% 30.1% 75.5% 40.5% 67.3% 73.5% 69.2% 69.5% 52.2%
1996 62.1% 79.4% 31.2% 76.3% 39.0% 70.0% 85.5% 70.6% 88.0% 54.9%
1997 64.0% 80.2% 33.1% 78.8% 37.2% 69.5% 83.0% 70.5% 80.1% 56.5%
1998 65.5% 80.4% 33.1% 79.0% 35.6% 72.0% 79.8% 71.7% 78.1% 59.8%
1999 66.1% 80.0% 34.0% 79.6% 36.2% 71.6% 81.1% 72.7% 76.4% 57.2%
2000 65.3% 75.3% 34.5% 80.1% 37.0% 71.6% 77.6% 73.3% 77.7% 52.6%
2001 65.7% 73.9% 35.1% 79.2% 35.5% 74.0% 78.3% 75.1% 80.5% 51.4%
2002 68.1% 79.6% 37.0% 81.4% 36.3% 75.6% 80.1% 76.2% 83.9% 53.3%
2003 71.0% 80.5% 39.7% 82.3% 36.9% 78.3% 85.7% 78.2% 81.5% 56.0%
2004 73.1% 82.0% 38.9% 82.9% 37.8% 79.7% 88.6% 78.7% 79.1% 54.0%
2005 72.6% 82.2% 41.5% 82.9% 39.8% 80.4% 83.5% 78.5% 81.1% 57.7%
2006 74.0% 81.1% 40.1% 82.8% 40.3% 80.3% 84.6% 80.1% 82.1% 62.3%
2007 78.1% 85.4% 49.5% 85.1% 45.7% 81.5% 88.2% 83.1% 82.3% 59.9%
2008 73.8% 83.5% 50.6% 83.5% 48.7% 79.7% 72.8% 83.5% 87.3% 69.0%

Notes:
1. Total include observations for which the offense at booking was not reported or was indeterminable.
2. Bookings for supervision violations include parole, supervised release, and probation violations.

3. Detention Rate reflects prisoners booked and detained for greater than 4 calendar days.
Data Source: U.S. Marshal Service, Prisoner Tracking System, December 31, 2008 Extract (Actual).
Source: Office of the Federal Detention Trustee

Last Updated:
April 09, 2009


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