Figure 2.6 is a bar chart that shows percentages of past month use of selected illicit drugs among adults aged 26 or older in 2002. Past month use of any illicit drug was 5.8 percent, past month use of marijuana was 4.0 percent, past month use of psychotherapeutics was 2.0 percent, past month use of cocaine was 0.7 percent, past month use of hallucinogens was 0.2 percent, and past month use of inhalants was 0.1 percent.