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1 HAWAII 2.0
2 NEW HAMPSHIRE 2.6
2 NORTH DAKOTA 2.6
4 NEBRASKA 2.7
5 IOWA 2.8
5 VERMONT 2.8
7 IDAHO 2.9
8 MAINE 3.0
8 WISCONSIN 3.0
10 COLORADO 3.1
10 MINNESOTA 3.1
10 UTAH 3.1
13 TENNESSEE 3.2
14 INDIANA 3.4
14 KANSAS 3.4
16 ALABAMA 3.5
16 MASSACHUSETTS 3.5
16 MISSOURI 3.5
16 SOUTH DAKOTA 3.5
20 ARKANSAS 3.7
20 FLORIDA 3.7
20 VIRGINIA 3.7
23 TEXAS 3.9
24 MARYLAND 4.0
25 MONTANA 4.1
25 OKLAHOMA 4.1
25 OREGON 4.1
25 SOUTH CAROLINA 4.1
29 WYOMING 4.2
30 CALIFORNIA 4.3
31 GEORGIA 4.4
31 KENTUCKY 4.4
31 RHODE ISLAND 4.4
34 ARIZONA 4.5
34 NORTH CAROLINA 4.5
34 WASHINGTON 4.5
37 CONNECTICUT 4.6
37 DELAWARE 4.6
37 LOUISIANA 4.6
37 MISSISSIPPI 4.6
37 NEW YORK 4.6
42 MICHIGAN 4.7
42 OHIO 4.7
42 PENNSYLVANIA 4.7
45 ILLINOIS 4.8
46 NEVADA 5.0
46 NEW JERSEY 5.0
48 WEST VIRGINIA 5.5
49 DISTRICT OF COLUMBIA 6.0
49 NEW MEXICO 6.0
51 ALASKA 7.3