In the state of Oregon there was a total of 46,629 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: 15,133
Alcohol and Drug Abuse: 9,182
Cocaine Abuse (Smoked): 512
Cocaine Abuse (Other Route): 233
Marijuana Abuse: 8,014
Heroin Abuse: 4,218
Other Opiate Abuse: 2,408
PCP Abuse: 1
Hallucinogen Abuse: 44
Amphetamine Abuse: 6,558
Other Stimulant Abuse: 0
Tranquilzer Abuse: 20
Sedative Abuse: 213
Inhalant Abuse: 29
Other / Unknown: 64

Reference: http://wwwdasis.samhsa.gov/webt/quicklink/OR10.htm