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392496 Studies found for: the

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Map Legend
Region Name Number of Studies
World [map] 392,496
North America 163,204
United States 146,661 [studies]
Alabama 10,235 [studies]
Alaska 790 [studies]
Arizona 12,570 [studies]
Arkansas 5,528 [studies]
California 38,536 [studies]
Colorado 12,771 [studies]
Connecticut 9,076 [studies]
Delaware 2,112 [studies]
District of Columbia 5,925 [studies]
Florida 25,956 [studies]
Georgia 14,935 [studies]
Hawaii 2,070 [studies]
Idaho 3,023 [studies]
Illinois 19,248 [studies]
Indiana 10,587 [studies]
Iowa 5,565 [studies]
Kansas 7,522 [studies]
Kentucky 8,027 [studies]
Louisiana 7,943 [studies]
Maine 2,040 [studies]
Maryland 19,587 [studies]
Massachusetts 20,993 [studies]
Michigan 15,402 [studies]
Minnesota 13,357 [studies]
Mississippi 3,399 [studies]
Missouri 14,833 [studies]
Montana 2,379 [studies]
Nebraska 6,261 [studies]
Nevada 5,069 [studies]
New Hampshire 2,727 [studies]
New Jersey 12,148 [studies]
New Mexico 3,687 [studies]
New York 30,790 [studies]
North Carolina 20,423 [studies]
North Dakota 2,113 [studies]
Ohio 21,935 [studies]
Oklahoma 6,882 [studies]
Oregon 9,165 [studies]
Pennsylvania 23,947 [studies]
Rhode Island 4,094 [studies]
South Carolina 9,995 [studies]
South Dakota 2,266 [studies]
Tennessee 14,607 [studies]
Texas 31,395 [studies]
Utah 8,129 [studies]
Vermont 2,085 [studies]
Virginia 12,134 [studies]
Washington 13,469 [studies]
West Virginia 2,337 [studies]
Wisconsin 8,540 [studies]
Wyoming 524 [studies]

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Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.