Region
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Korea (South)
1
Latin America
1
Louisiana
1
Malaysia
1
Maryland
1
Mediterranean Region
1
Middle East
3
Mississippi
1
Moldova
1
Nebraska
1
Nevada
1
New Hampshire
1
New Jersey
1
New Mexico
1
New Zealand
8
Nigeria
1
Noordpoolgebied
1
North Dakota
1
Northern Europe
1
Nouvelle-Zélande
1
OECD countries
3
Oceania
1
Oklahoma
1
Oman
1
Ontwikkelingslanden
1
Pacific Area
1
Pakistan
2
Periodicals
2
Poland
2
Portugal
1
Russia (Federation)
1
Saskatchewan
1
Saudi Arabia
3
Scandinavia
1
Slovenia
1
South Africa
4
South Carolina
1
Southeast Asia
1
Southern Africa
1
Spain
2
States
1
Tennessee
1
Texas
1
Thailand
1
Turkey
8
United Kingdom
11
United States
71
West (U.S.)
1
West United States
1
West Virginia
1