57 visiting now: 24 USA 
10 Singapore 
6 UK 
6 Brazil 
4 Vietnam 
2 China 
2 Indonesia 
1 France 
1 South Africa 
1 Germany 
1 India 
1 Argentina 
1 Ukraine 
1 Iraq 
10 Singapore 6 UK 6 Brazil 4 Vietnam 2 China 2 Indonesia 1 France 1 South Africa 1 Germany 1 India 1 Argentina 1 Ukraine 1 Iraq