In the state of Tennessee there was a total of 11,717 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: 1,778
Alcohol and Drug Abuse: 2,040
Cocaine Abuse (Smoked): 1,099
Cocaine Abuse (Other Route): 338
Marijuana Abuse: 2,041
Heroin Abuse: 198
Other Opiate Abuse: 3,379
PCP Abuse: 0
Hallucinogen Abuse: 12
Amphetamine Abuse: 521
Other Stimulant Abuse: 3
Tranquilzer Abuse: 205
Sedative Abuse: 64
Inhalant Abuse: 12
Other / Unknown: 27

Reference: http://wwwdasis.samhsa.gov/webt/quicklink/TN10.htm