Region
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OECD countries
1
Oakland
2
Oakland (Calif.)
2
Ohio
6
Ontario
4
Pakistan
1
Papua New Guinea
1
Pennsylvania
78
Peru
7
Philadelphia
8
Philadelphia (Pa.)
5
Philadelphia County
1
Philippines
3
Plymouth
2
Plymouth (England)
2
Poland
2
Providence
1
Provinces
1
Prussia
1
Prussia (Germany)
1
Public lands
1
Puerto Rico
9
Puno (Peru : Region)
1
Puno (Region)
1
Québec (Province)
2
Québec (Province)
4
Rhode Island
9
Richmond
1
Río de la Plata (Viceroyalty)
1
Rochester
1
Rochester (N.Y.)
1
Rome
3
Russia
2
Russia (Federation)
2
Saint Kitts and Nevis
1
Salvador
1
Samoan Islands
2
San Diego
1
San Diego (Calif.)
1
San Francisco
3
San Francisco (Calif.)
3
Sao Tome and Principe
1
Saudi Arabia
1
Scandinavia
1
Scotland
34
Singapore
1
Slovenia
2
South Africa
5
South America
1
South Asia
1
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