In the state of Oklahoma there was a total of 16,932 Substance Abuse Treatment Admissions during 2009.
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: 3,390
Alcohol and Drug Abuse: 3,304
Cocaine Abuse (Smoked): 817
Cocaine Abuse (Other Route): 309
Marijuana Abuse: 3,675
Heroin Abuse: 246
Other Opiate Abuse: 1,533
PCP Abuse: 69
Hallucinogen Abuse: 30
Amphetamine Abuse: 2,965
Other Stimulant Abuse: 15
Tranquilzer Abuse: 169
Sedative Abuse: 119
Inhalant Abuse: 27
Other / Unknown: 264

Reference: http://wwwdasis.samhsa.gov/webt/quicklink/OK09.htm