Females reporting past year use of illicit drugs, by age and drug type, 2003 (vertical bar chart): Any illicit drug:* 12-17 years, 21.9%; 18-25 years, 30.5%; 26 years and older, 8.1%. Marijuana/hashish: 12-17 years, 14.6%; 18-25 years, 24.0%; 26 years and older, 4.7%. Cocaine: 12-17 years, 1.8%; 18-25 years, 5.0%; 26 years and older, 1.1%. Inhalants: 12-17 years, 4.6%; 18-25 years, 1.5%; 26 years and older, 0.1%. Hallucinogens: 12-17 years, 3.2%; 18-25 years, 5.0%; 26 years and older, 0.3%. Prescription-type psychotherapeutics for non-medical purposes: 12-17 years, 9.8%; 18-25 years, 13.5%; 26 years and older, 4.3%.

Source: Substance Abuse and Mental Health Services Administration. Results for the 2003 National Survey on Drug Use and Health: detailed tables. Office of Applied Studies, Rockville, MD, September 2004. *This category includes marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or any prescription-type psychotherapeutic drugs used for non-medical purposes.