| Known offender | Total | 1998 | 1999 | 2000 | 20011 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of known offenders | 624 | 82 | 49 | 66 | 74 | 63 | 58 | 59 | 56 | 55 | 62 | |
| Race | White | 357 | 46 | 27 | 46 | 44 | 39 | 31 | 28 | 36 | 25 | 35 |
| Black | 252 | 32 | 19 | 20 | 27 | 24 | 26 | 31 | 20 | 29 | 24 | |
| Asian/Pacific Islander | 7 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | |
| American Indian/Alaskan Native | 6 | 2 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | |
| Not reported | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | |
| Sex | Male | 614 | 81 | 47 | 64 | 73 | 61 | 57 | 59 | 56 | 54 | 62 |
| Female | 10 | 1 | 2 | 2 | 1 | 2 | 1 | 0 | 0 | 1 | 0 | |