57 visiting now: 31 USA 
6 Singapore 
6 UK 
3 Belgium 
2 China 
2 South Africa 
2 Mexico 
2 Brazil 
2 India 
1 Seychelles 
1 Korea 
1 Latvia 
1 Germany 
1 Australia 
1 Ghana 
1 Poland 
1 Hong Kong 
1 Russia 
1 Canada 
6 Singapore 6 UK 3 Belgium 2 China 2 South Africa 2 Mexico 2 Brazil 2 India 1 Seychelles 1 Korea 1 Latvia 1 Germany 1 Australia 1 Ghana 1 Poland 1 Hong Kong 1 Russia 1 Canada