| Year | Total | Total w/Source | Individual | Alcohol/Drug Abuse Care Provider | Other Health Care Provider | School | Employer | Other Community Referral | Criminal Justice System |
| 2007 | 1,138 | 1,134 | 18.3% | 8.6% | 3.6% | 1.4% | 16.9% | 51.2% | |
| 2006 | 1,023 | 1,023 | 20.5% | 7.1% | 6.4% | 1.1% | 11.3% | 53.6% | |
| 2005 | 1,079 | 1,078 | 23.3% | 8.4% | 5.3% | 2.0% | 11.0% | 50.1% | |
| 2004 | 1,057 | 1,055 | 24.7% | 6.2% | 4.7% | 1.0% | 8.0% | 55.4% | |
| 2003 | 861 | 785 | 28.2% | 6.9% | 4.2% | 0.3% | 2.2% | 5.2% | 53.1% |
| 2002 | 774 | 639 | 31.5% | 6.3% | 4.5% | 1.1% | 8.1% | 48.5% | |
| 2001 | 862 | 698 | 33.2% | 9.5% | 3.4% | 1.9% | 5.4% | 46.6% | |
| 2000 | 684 | 526 | 33.3% | 9.3% | 4.9% | 0.4% | 2.5% | 4.4% | 45.3% |
| 1999 | 696 | 294 | 37.1% | 8.8% | 5.1% | 0.3% | 3.1% | 3.7% | 41.8% |
| 1998 | 901 | 259 | 24.7% | 7.7% | 6.2% | 10.4% | 51.0% | ||
| 1997 | 1,004 | 285 | 14.7% | 40.7% | 4.9% | 9.1% | 30.5% | ||
| 1996 | 1,339 | 538 | 3.5% | 72.5% | 4.3% | 0.4% | 3.5% | 15.8% | |
| 1995 | 1,007 | 556 | 5.6% | 72.7% | 4.9% | 0.2% | 2.7% | 14.0% | |
| 1994 | 840 | 454 | 6.4% | 71.6% | 5.1% | 0.9% | 3.5% | 12.6% | |
| 1993 | 788 | 436 | 8.3% | 74.5% | 2.8% | 0.2% | 0.2% | 3.0% | 11.0% |
| 1992 | 634 | 340 | 7.4% | 70.9% | 7.4% | 0.3% | 1.5% | 3.5% | 9.1% |
Source: Treatment Episodes Data Set