| Region 1 | ||||||||
| Adult Secondary Drug of Abuse | ||||||||
| Source: IDHW Client Information System | ||||||||
| 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | 2004-2005 | 2005-2006 | 2006-2007 | 2007-2008 | |
| Alcohol | 119 | 98 | 76 | 119 | 157 | 214 | 208 | 152 |
| Methamphetamines | 73 | 87 | 100 | 89 | 109 | 139 | 142 | 101 |
| Marijuana | 209 | 188 | 190 | 214 | 280 | 372 | 351 | 250 |
| Cocaine | 30 | 22 | 18 | 33 | 27 | 40 | 34 | 35 |
| Heroin | 11 | 6 | 9 | 6 | 3 | 10 | 10 | 14 |
| Other Compounds | 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | ||||
| Non-Rx Methadone | 0 | 2 | 0 | 1 | ||||
| Other Opiates/Synth | 4 | 3 | 5 | 10 | ||||
| PCP | 0 | 0 | 0 | 0 | ||||
| Hallucinogens | 5 | 5 | 4 | 4 | ||||
| Other Amphetamines | 2 | 1 | 0 | 1 | ||||
| Other Inhalants | 2 | 0 | 0 | 2 | ||||
| Benzodiazpine | 2 | 3 | 1 | 0 | ||||
| Other Tranquilizers | 1 | 2 | 0 | 0 | ||||
| Barbituates | 0 | 0 | 0 | 0 | ||||
| Other Sedatives | 0 | 0 | 0 | 0 | ||||
| Inhalants | 1 | 1 | 0 | 0 | ||||
| Over-the-Counter | 1 | 1 | 0 | 1 | ||||
| Other | 0 | 0 | 0 | 0 | ||||
| None | 283 | 277 | 270 | 251 | ||||