In the state of North Carolina there was a total of 59,738 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: 10,258
Alcohol and Drug Abuse: 9,861
Cocaine Abuse (Smoked): 5,463
Cocaine Abuse (Other Route): 2,157
Marijuana Abuse: 12,745
Heroin Abuse: 1,727
Other Opiate Abuse: 7,097
PCP Abuse: 32
Hallucinogen Abuse: 235
Amphetamine Abuse: 846
Other Stimulant Abuse: 41
Tranquilzer Abuse: 718
Sedative Abuse: 696
Inhalant Abuse: 351
Other / Unknown: 7,511

Reference: http://wwwdasis.samhsa.gov/webt/quicklink/NC10.htm