In the state of Kansas there was a total of 19,122 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: 3,801
Alcohol and Drug Abuse: 4,687
Cocaine Abuse (Smoked): 1,364
Cocaine Abuse (Other Route): 436
Marijuana Abuse: 5,506
Heroin Abuse: 154
Other Opiate Abuse: 835
PCP Abuse: 46
Hallucinogen Abuse: 10
Amphetamine Abuse: 2,059
Other Stimulant Abuse: 9
Tranquilzer Abuse: 98
Sedative Abuse: 31
Inhalant Abuse: 27
Other / Unknown: 59

Reference: http://wwwdasis.samhsa.gov/webt/quicklink/KS09.htm