| Year | Total | Total w/Source | Individual | Alcohol/Drug Abuse Care Provider | Other Health Care Provider | School | Employer | Other Community Referral | Criminal Justice System |
| 2007 | 606 | 602 | 10.0% | 4.3% | 8.5% | 0.5% | 0.5% | 8.3% | 67.9% |
| 2006 | 634 | 630 | 10.8% | 5.1% | 7.0% | 0.6% | 0.2% | 9.5% | 66.8% |
| 2005 | 499 | 498 | 13.7% | 3.0% | 5.0% | 1.8% | 0.8% | 12.5% | 63.3% |
| 2004 | 488 | 487 | 13.4% | 4.5% | 6.6% | 0.8% | 0.6% | 17.9% | 56.3% |
| 2003 | 355 | 355 | 13.2% | 5.1% | 3.7% | 0.9% | 18.6% | 58.6% | |
| 2002 | 694 | 690 | 22.9% | 4.4% | 1.7% | 0.6% | 0.1% | 20.3% | 50.0% |
| 2001 | 409 | 395 | 25.6% | 4.6% | 4.3% | 0.3% | 0.5% | 8.9% | 56.0% |
| 2000 | 341 | 337 | 31.5% | 4.5% | 2.7% | 8.0% | 53.4% | ||
| 1999 | 361 | 353 | 26.4% | 7.7% | 3.4% | 6.5% | 0.6% | 4.3% | 51.3% |
| 1998 | 414 | 408 | 16.9% | 4.7% | 5.4% | 13.5% | 0.3% | 9.8% | 49.5% |
| 1997 | 307 | 299 | 17.7% | 7.4% | 6.0% | 12.0% | 7.7% | 49.2% | |
| 1996 | 265 | 262 | 13.7% | 3.8% | 6.9% | 13.0% | 1.2% | 9.5% | 51.9% |
| 1995 | 226 | 221 | 19.9% | 5.4% | 8.1% | 12.2% | 0.9% | 8.1% | 45.3% |
| 1994 | 186 | 177 | 20.9% | 6.2% | 7.9% | 14.7% | 1.1% | 9.0% | 40.1% |
| 1993 | 154 | 152 | 19.1% | 4.0% | 12.5% | 9.9% | 1.3% | 9.9% | 43.4% |
| 1992 | 135 | 129 | 20.9% | 2.3% | 9.3% | 20.2% | 1.6% | 10.9% | 34.9% |
Source: Treatment Episodes Data Set