Figure 2.4 is a U.S. map showing percentages reporting past month use of any illicit drug among persons aged 26 or older, by State, for 1999 and 2000. States listed here in alphabetical order within each group were divided into five groups based on the magnitude of their percentages. States in the highest group (4.95 to 8.82 percent) were Alaska, California, Colorado, Delaware, District of Columbia, Hawaii, Massachusetts, Nevada, Rhode Island, and Washington. States in the next highest group (4.05 to 4.94 percent) were Connecticut, Florida, Georgia, Michigan, New Mexico, North Carolina, Oregon, Pennsylvania, Vermont, and Wisconsin. States in the mid group (3.49 to 4.04 percent) were Arizona, Illinois, Indiana, Kentucky, Louisiana, Maine, Maryland, New Jersey, New Hampshire, New York, and Tennessee. States in the next lowest group (3.14 to 3.48 percent) were Alabama, Arkansas, Idaho, Minnesota, Montana, Ohio, Oklahoma, South Carolina, Utah, and Wyoming. States in the lowest group (2.11 to 3.13 percent) were Iowa, Kansas, Mississippi, Missouri, Nebraska, North Dakota, South Dakota, Texas, Virginia, and West Virginia.