57 visiting now: 17 USA 
6 Singapore 
5 Saudi Arabia 
3 Brazil 
3 Canada 
3 Venezuela 
2 Mexico 
2 India 
2 UK 
2 Iraq 
2 Uruguay 
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2 Malaysia 
2 Germany 
1 Azerbaijan 
1 Belgium 
1 South Africa 
1 Nicaragua 
1 Indonesia 
1 Nigeria 
1 Philippines 
1 Japan 
1 Costa Rica 
6 Singapore 5 Saudi Arabia 3 Brazil 3 Canada 3 Venezuela 2 Mexico 2 India 2 UK 2 Iraq 2 Uruguay 2 Argentina 2 Malaysia 2 Germany 1 Azerbaijan 1 Belgium 1 South Africa 1 Nicaragua 1 Indonesia 1 Nigeria 1 Philippines 1 Japan 1 Costa Rica