| Known assailant | Total | 1997 | 1998 | 1999 | 2000 | 20011 | 2002 | 2003 | 2004 | 2005 | 2006 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of known assailants | 633 | 70 | 82 | 49 | 66 | 74 | 63 | 58 | 59 | 57 | 55 | |
| Race | White | 355 | 33 | 46 | 27 | 46 | 44 | 39 | 31 | 28 | 36 | 25 |
| Black | 260 | 31 | 32 | 19 | 20 | 27 | 24 | 26 | 31 | 21 | 29 | |
| Asian/Pacific Islander | 7 | 3 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | |
| American Indian/Alaskan Native | 9 | 3 | 2 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | |
| Not reported | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | |
| Sex | Male | 623 | 70 | 81 | 47 | 64 | 73 | 61 | 57 | 59 | 57 | 54 |
| Female | 10 | 0 | 1 | 2 | 2 | 1 | 2 | 1 | 0 | 0 | 1 | |