| Region 1 | ||||||||||
| Adult Primary Drug of Abuse | ||||||||||
| Source: IDHW Client Information System | ||||||||||
| Common Compounds | 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | 2004-2005 | 2005-2006 | 2006-2007 | 2007-2008 | ||
| Alcohol | 388 | 457 | 360 | 374 | 417 | 614 | 499 | 324 | ||
| Methamphetamines | 170 | 194 | 175 | 194 | 316 | 530 | 504 | 375 | ||
| Marijuana | 144 | 157 | 106 | 126 | 145 | 264 | 206 | 145 | ||
| Cocaine | 11 | 20 | 8 | 12 | 17 | 18 | 14 | 22 | ||
| Heroin | 12 | 9 | 3 | 2 | 11 | 12 | 20 | 28 | ||
| Other Compounds | 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | 2004-2005 | 2005-2006 | 2006-2007 | 2007-2008 | ||
| Non-Rx Methadone | 0 | 2 | 1 | 2 | 1 | 3 | 4 | 3 | ||
| Other Opiates/Synth | 7 | 14 | 14 | 15 | 22 | 41 | 39 | 35 | ||
| PCP | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Hallucinogens | 0 | 3 | 1 | 0 | 4 | 5 | 2 | 2 | ||
| Other Amphetamines | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 2 | ||
| Other Inhalants | 0 | 0 | 0 | 0 | ||||||
| Benzodiazpine | 0 | 1 | 0 | 0 | 3 | 4 | 3 | 2 | ||
| Other Tranquilizers | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | ||
| Barbituates | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | ||
| Other Sedatives | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | ||
| Inhalants | 1 | 2 | 1 | 0 | 0 | 1 | 2 | 4 | ||
| Over-the-Counter | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | ||
| Other | 1 | 0 | 0 | 0 | 1 | 4 | 2 | 0 | ||
| None | 3 | 14 | 1 | 5 | 0 | 0 | 0 | 0 | ||