Figure 2.2 is a bar chart depicting the percentage of past month use of selected illicit drugs among persons aged 12 or older in 2002. It indicates that past month any illicit drug use was 8.3 percent, past month marijuana use was 6.2 percent, past month psychotherapeutic use was 2.6 percent, past month cocaine use was 0.9 percent, past month hallucinogen use was 0.5 percent, and past month inhalant use was 0.3 percent.