In the state of Arkansas there was a total of 28,589 Substance Abuse Treatment Admissions during 2008.
This includes males and females from all age groups and all ethnicities. So if you think your alone in your pursuit for sobriety, you need to realize your in the company of many many others.

Here are some stats on the substances that were being used by these individuals.

Alcohol Abuse Only: 6,782
Alcohol and Drug Abuse: 4,549
Cocaine Abuse (Smoked): 2,326
Cocaine Abuse (Other Route): 958
Marijuana Abuse: 5,604
Heroin Abuse: 104
Other Opiate Abuse: 2,891
PCP Abuse: 70
Hallucinogen Abuse: 28
Amphetamine Abuse: 4,334
Other Stimulant Abuse: 37
Tranquilzer Abuse: 413
Sedative Abuse: 230
Inhalant Abuse: 38
Other / Unknown: 225

Reference: http://wwwdasis.samhsa.gov/webt/quicklink/AR08.htm