In the state of Minnesota there was a total of 50,830 Substance Abuse Treatment Admissions during 2010.
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: 15,745
Alcohol and Drug Abuse: 11,380
Cocaine Abuse (Smoked): 1,591
Cocaine Abuse (Other Route): 600
Marijuana Abuse: 9,543
Heroin Abuse: 2,350
Other Opiate Abuse: 4,580
PCP Abuse: 12
Hallucinogen Abuse: 121
Amphetamine Abuse: 4,137
Other Stimulant Abuse: 15
Tranquilzer Abuse: 282
Sedative Abuse: 61
Inhalant Abuse: 50
Other / Unknown: 363

Reference: http://wwwdasis.samhsa.gov/webt/quicklink/MN10.htm