North America

Antigua & Barbuda

6

Barbados

13

Bermuda

41

Bahamas

38

Belize

6

Canada

262

Costa Rica

12

Curaçao

15

Dominica

7

Dominican Republic

18

Grenada

1

Greenland

1

Guadeloupe

3

Guatemala

7

Honduras

4

Jamaica

18

St. Kitts & Nevis

4

Cayman Islands

89

St. Lucia

5

Martinique

5

Mexico

81

Nicaragua

2

Panama

42

St. Pierre & Miquelon

1

Puerto Rico

20

El Salvador

7

Turks & Caicos Islands

4

Trinidad & Tobago

16

United States

1993

St. Vincent & Grenadines

2

British Virgin Islands

11