In the state of Colorado there was a total of 88,068 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: 50,198
Alcohol and Drug Abuse: 17,125
Cocaine Abuse (Smoked): 2,297
Cocaine Abuse (Other Route): 1,332
Marijuana Abuse: 7,174
Heroin Abuse: 2,248
Other Opiate Abuse: 1,955
PCP Abuse: 3
Hallucinogen Abuse: 41
Amphetamine Abuse: 4,950
Other Stimulant Abuse: 122
Tranquilzer Abuse: 223
Sedative Abuse: 100
Inhalant Abuse: 43
Other / Unknown: 257

Reference: http://wwwdasis.samhsa.gov/webt/quicklink/CO09.htm