| Region 4 | ||||||||
| Adolescent Tertiary 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 | 9 | 25 | 17 | 17 | 19 | 27 | 22 | 26 |
| Methamphetamines | 14 | 24 | 22 | 11 | 4 | 12 | 8 | 8 |
| Marijuana | 7 | 10 | 12 | 7 | 3 | 1 | 4 | 9 |
| Cocaine | 3 | 11 | 8 | 1 | 1 | 8 | 6 | 8 |
| Heroin | 0 | 1 | 2 | 1 | 0 | 0 | 1 | 1 |
| 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 | 0 | 0 | 0 | 0 |
| Other Opiates/Synth | 1 | 0 | 3 | 2 | 3 | 2 | 2 | 12 |
| PCP | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Hallucinogens | 14 | 19 | 21 | 9 | 2 | 3 | 5 | 12 |
| Other Amphetamines | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 9 |
| Other Inhalants | 0 | 0 | 0 | 1 | ||||
| Benzodiazpine | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| Other Tranquilizers | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Barbituates | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Sedatives | 0 | 0 | 0 | 0 | 2 | 1 | 1 | 1 |
| Inhalants | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 3 |
| Over-the-Counter | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 1 |
| Other | 0 | 1 | 0 | 0 | 2 | 5 | 2 | 1 |
| None | 83 | 104 | 91 | 59 | 31 | 53 | 73 | 171 |