| Year | Age | Sex | Race | Placement status | Most serious offense |
|---|---|---|---|---|---|
| 1997 | 12.2% | 11.7% | 12.0% | 13.1% | 34.1% |
| 1999 | 2.0% | 0.6% | 2.3% | 3.5% | 59.1% |
| 2001 | 2.9% | 0.8% | 2.9% | 0.8% | 3.1% |
| 2003 | 5.2% | 1.8% | 5.5% | 17.0% | 4.9% |
| 2006 | 4.5% | 0.0% | 4.4% | 0.9% | 4.6% |
| 2007 | 25.8% | 17.2% | 25.8% | 19.1% | 25.8% |
| 2010 | 6.9% | 5.8% | 6.7% | 6.2% | 17.2% |
| 2011 | 25.5% | 0.0% | 25.4% | 0.2% | 26.8% |
| 2013 | 1.9% | 1.8% | 2.7% | 2.0% | 2.6% |
| 2015 | 0.0% | 0.0% | 0.2% | 0.0% | 0.0% |
| 2017 | 19.3% | 18.9% | 19.3% | 18.9% | 22.5% |