| Year | Total | Total w/Source | Individual | Alcohol/Drug Abuse Care Provider | Other Health Care Provider | School | Employer | Other Community Referral | Criminal Justice System |
| 2007 | 1,912 | 1,912 | 6.2% | 7.3% | 2.5% | 1.9% | 0.4% | 9.6% | 72.1% |
| 2006 | 1,912 | 1,912 | 6.2% | 9.2% | 3.0% | 1.8% | 0.5% | 8.5% | 70.8% |
| 2005 | 1,860 | 1,817 | 8.3% | 6.1% | 3.9% | 1.5% | 0.6% | 9.3% | 70.3% |
| 2004 | 1,115 | 1,007 | 12.8% | 5.3% | 2.9% | 2.5% | 0.5% | 10.4% | 65.6% |
| 2003 | 1,014 | 935 | 12.0% | 4.7% | 2.5% | 1.8% | 1.0% | 8.6% | 69.5% |
| 2002 | 1,054 | 958 | 11.9% | 6.5% | 4.6% | 1.5% | 1.2% | 6.8% | 67.6% |
| 2001 | 784 | 723 | 13.6% | 4.4% | 3.5% | 3.7% | 1.1% | 6.2% | 67.5% |
| 2000 | 962 | 878 | 9.1% | 4.2% | 3.0% | 3.2% | 1.3% | 9.6% | 69.7% |
| 1999 | 921 | 850 | 11.5% | 4.0% | 2.2% | 3.2% | 1.3% | 8.1% | 69.7% |
| 1998 | 1,094 | 1,004 | 11.2% | 6.0% | 3.8% | 3.2% | 1.4% | 7.4% | 67.1% |
| 1997 | 1,202 | 982 | 9.3% | 14.2% | 4.9% | 3.2% | 1.5% | 7.6% | 59.4% |
| 1996 | 1,019 | 932 | 12.5% | 15.1% | 6.1% | 2.8% | 1.2% | 7.1% | 55.3% |
| 1995 | 682 | 621 | 17.4% | 10.3% | 4.4% | 7.3% | 1.1% | 8.5% | 51.1% |
| 1994 | 418 | 365 | 23.0% | 6.3% | 7.1% | 4.1% | 1.1% | 11.5% | 46.9% |
| 1993 | 491 | 434 | 19.4% | 5.5% | 4.8% | 2.3% | 1.4% | 9.2% | 57.4% |
| 1992 | 347 | 311 | 17.4% | 6.1% | 2.9% | 0.6% | 1.6% | 8.4% | 63.0% |
Source: Treatment Episodes Data Set