Graphed as number of users age 12 and older
| Sources: | National Survey on Drug Use and Health National Household Survey on Drug Abuse |
| Multiple Years | |
Click labels in graphic or table headers for other details
| Non-medical Tranquilizer Use Among Those 12 and Older (Percent of Population) | |||
|---|---|---|---|
| Year | Ever Used | Past Year | Past Month |
| 1979 | -- | -- | -- |
| 1982 | -- | -- | -- |
| 1985 | 7.6 | 3.2 | 2.2 |
| 1988 | 4.4 | 2.1 | 1.3 |
| 1991 | 5.1 | 1.5 | 1.1 |
| 1992 | 4.7 | 1.4 | 0.8 |
| 1993 | 4.2 | 1.1 | 0.6 |
| 1994 | 4.0 | 1.1 | 0.5 |
| 1995 | 3.9 | 1.0 | 0.4 |
| 1996 | 3.6 | 1.1 | 0.4 |
| 1997 | 3.2 | 1.0 | 0.4 |
| 1998 | 3.5 | 0.9 | 0.3 |
| 1999 | 6.3 | 1.2 | 0.5 |
| 2000 | 5.8 | 1.2 | 0.4 |
| 2001 | 6.2 | 1.6 | 0.6 |
| 2002 | 8.2 | 2.1 | 0.8 |
| 2003 | 8.5 | 2.1 | 0.8 |
| 2004 | 8.3 | 2.1 | 0.7 |
| 2005 | 8.7 | 2.2 | 0.7 |
| 2006 | 8.7 | 2.1 | 0.7 |