East North Central |
Illinois, Indiana, Michigan, Ohio, and Wisconsin |
0.25 (0.15–0.38) |
0.40 (0.21–0.59) |
East South Central |
Alaska, Kentucky, Mississippi, and Tennessee |
0.22 (0.11–0.33) |
0.52 (0.29–0.73) |
Middle Atlantic |
New Jersey, New York, and Pennsylvania |
0.20 (0.12–0.33) |
0.38 (0.21–0.61) |
Mountain |
Arizona, Colorado, Idaho, Montana, New Mexico, Nevada, Utah, and Wyoming |
0.19 (0.10–0.29) |
0.42 (0.15–0.66) |
New England |
Connecticut, Massachusetts, Maine, New Hampshire, Rhode Island, and Vermont |
0.20 (0.13–0.31) |
0.38 (0.21–0.54) |
Pacific |
Alaska, California, Hawaii, Oregon, and Washington |
0.25 (0.14–0.44) |
0.41 (0.18–0.68) |
South Atlantic |
Delaware, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, Washington D.C., and West Virginia |
0.22 (0.05–0.35) |
0.37 (0.07–0.61) |
West North Central |
Iowa, Kansas, Minnesota, Missouri, North Dakota, Nebraska, and South Dakota |
0.23 (0.12–0.39) |
0.42 (0.19–0.72) |
West South Central |
Arkansas, Louisiana, Oklahoma, and Texas |
0.20 (0.13–0.33) |
0.40 (0.17–0.65) |