World
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151
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Central America
[]
|
13
|
Europe
[]
|
29
|
North America
|
134
|
Canada
[]
|
33
|
[]
|
United States
[]
|
133
|
[]
|
Pacifica
[]
|
25
|
South America
[]
|
1
|
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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.
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