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43979 Studies found for: value

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Map Legend
Region Name Number of Studies
World 43,979
Africa [map] 1,559
Central America [map] 721
East Asia [map] 5,779
Japan 1,346 [studies]
Europe [map] 15,672
Middle East [map] 2,650
North America 17,980
Canada [map] 3,564 [studies]
Mexico 1,025 [studies]
United States [map] 16,179 [studies]
North Asia [map] 1,661
Pacifica [map] 1,648
South America [map] 2,203
South Asia [map] 888
Southeast Asia [map] 1,170

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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.