| Year | Total | Total w/Source | Individual | Alcohol/Drug Abuse Care Provider | Other Health Care Provider | School | Employer | Other Community Referral | Criminal Justice System |
| 2007 | 783 | 730 | 11.9% | 1.0% | 4.4% | 2.6% | 4.8% | 13.3% | 62.1% |
| 2006 | 916 | 863 | 12.3% | 2.0% | 5.6% | 1.3% | 13.0% | 10.3% | 55.6% |
| 2005 | 1,085 | 943 | 14.5% | 3.8% | 5.8% | 2.0% | 10.8% | 5.8% | 57.2% |
| 2004 | 938 | 744 | 19.9% | 1.9% | 4.2% | 5.2% | 3.6% | 1.8% | 63.4% |
| 2003 | 1,019 | 895 | 17.9% | 3.1% | 2.4% | 5.3% | 4.3% | 0.3% | 66.8% |
| 2002 | 982 | 871 | 16.5% | 1.2% | 3.2% | 4.4% | 2.4% | 0.3% | 72.0% |
| 2001 | 995 | 865 | 18.8% | 2.5% | 4.4% | 4.4% | 2.8% | 0.4% | 66.7% |
| 2000 | 744 | 507 | 19.5% | 2.4% | 3.6% | 5.5% | 1.8% | 1.8% | 65.5% |
| 1999 | 691 | 683 | 18.7% | 1.9% | 4.4% | 6.9% | 3.7% | 4.3% | 60.2% |
| 1998 | 728 | 721 | 19.3% | 2.4% | 3.5% | 7.1% | 2.6% | 7.4% | 57.8% |
| 1997 | 584 | 584 | 25.2% | 1.4% | 4.3% | 7.2% | 3.1% | 8.1% | 50.9% |
| 1996 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a |
| 1995 | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a | n/a |
| 1994 | 216 | 199 | 28.1% | 4.5% | 7.5% | 3.0% | 2.0% | 54.8% | |
| 1993 | 239 | 217 | 29.0% | 5.1% | 7.8% | 0.5% | 4.6% | 53.0% | |
| 1992 | 285 | 259 | 29.3% | 4.6% | 7.0% | 3.5% | 55.6% |
Source: Treatment Episodes Data Set