| Year | Total | Total w/Source | Individual | Alcohol/Drug Abuse Care Provider | Other Health Care Provider | School | Employer | Other Community Referral | Criminal Justice System |
| 2007 | 1,145 | 1,069 | 24.6% | 5.4% | 6.1% | 9.5% | 0.8% | 6.8% | 46.7% |
| 2006 |
na
|
na
|
na
|
na
|
na
|
na
|
na
|
na
|
na
|
| 2005 | 1,237 | 1,065 | 22.6% | 5.7% | 7.3% | 10.4% | 0.3% | 8.6% | 45.0% |
| 2004 | 930 | 775 | 21.6% | 5.9% | 6.8% | 12.9% | 2.5% | 9.7% | 40.7% |
| 2003 | 1,159 | 1,012 | 21.3% | 5.7% | 7.2% | 11.2% | 0.6% | 12.2% | 41.9% |
| 2002 | 1,253 | 1,084 | 23.2% | 4.5% | 5.2% | 12.2% | 1.2% | 12.1% | 41.7% |
| 2001 | 1,082 | 918 | 31.6% | 4.5% | 6.1% | 11.0% | 1.1% | 8.4% | 37.4% |
| 2000 | 1,084 | 895 | 37.3% | 5.9% | 6.2% | 9.2% | 0.7% | 9.2% | 31.6% |
| 1999 | 889 | 660 | 33.9% | 6.8% | 8.3% | 9.9% | 0.3% | 11.4% | 29.4% |
| 1998 | 784 | 625 | 36.5% | 8.8% | 8.6% | 8.6% | 3.4% | 11.8% | 22.2% |
| 1997 | 658 | 548 | 35.8% | 10.2% | 5.8% | 7.7% | 6.8% | 8.2% | 25.6% |
| 1996 | 658 | 509 | 33.4% | 8.6% | 4.9% | 9.4% | 9.0% | 12.6% | 22.0% |
| 1995 | 548 | 481 | 33.7% | 14.8% | 7.7% | 8.9% | 7.3% | 10.0% | 17.7% |
| 1994 | 530 | 465 | 31.6% | 9.7% | 13.8% | 9.0% | 6.9% | 7.5% | 21.5% |
| 1993 | 392 | 370 | 24.6% | 13.8% | 21.4% | 6.0% | 3.2% | 6.2% | 24.9% |
| 1992 | 368 | 348 | 28.7% | 11.2% | 12.1% | 7.8% | 2.3% | 10.1% | 27.9% |
Source: Treatment Episodes Data Set