| State | ||||||||
| Adolescent Tertiary 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 | 63 | 98 | 105 | 109 | 112 | 113 | 90 | 129 |
| Methamphetamines | 83 | 119 | 125 | 84 | 45 | 45 | 33 | 41 |
| Marijuana | 35 | 35 | 37 | 23 | 28 | 25 | 33 | 47 |
| Cocaine | 14 | 28 | 34 | 13 | 12 | 24 | 23 | 34 |
| Heroin | 1 | 7 | 6 | 2 | 1 | 2 | 1 | 3 |
| Other Compounds | 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | 2004-2005 | 2005-2006 | 2006-2007 | 2007-2008 |
| Non-Rx Methadone | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 3 |
| Other Opiates/Synth | 1 | 3 | 17 | 23 | 18 | 15 | 20 | 38 |
| PCP | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| Hallucinogens | 35 | 57 | 57 | 37 | 12 | 16 | 14 | 45 |
| Other Amphetamines | 4 | 2 | 4 | 4 | 0 | 0 | 5 | 23 |
| Other Inhalants | 7 | 2 | 1 | 2 | ||||
| Benzodiazpine | 0 | 0 | 0 | 0 | 6 | 3 | 2 | 4 |
| Other Tranquilizers | 0 | 1 | 1 | 3 | 0 | 0 | 0 | 0 |
| Barbituates | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| Other Sedatives | 0 | 1 | 2 | 0 | 4 | 5 | 1 | 2 |
| Inhalants | 6 | 3 | 4 | 3 | 8 | 4 | 4 | 8 |
| Over-the-Counter | 0 | 0 | 2 | 3 | 6 | 7 | 4 | 16 |
| Other | 20 | 4 | 2 | 6 | 13 | 8 | 2 | 4 |
| None | 576 | 696 | 732 | 650 | 504 | 576 | 607 | 930 |