Past-Month Illicit Drug Use among Persons Age 12 or Older, by Age: 2002-2006

chart titled "Past-Month Illicit Drug Use among Persons Age 12 or Older, by Age: 2002-2006"
+Difference between this estimate and the 2006 estimate is statistically significant at the .05 level.
Source: SAMHSA, Results from the 2006 National Survey on Drug Use and Health: National Findings