57 visiting now: 28 USA 
5 Singapore 
3 Brazil 
3 Bangladesh 
2 Belgium 
2 UK 
2 Canada 
2 Vietnam 
1 Turkey 
1 Pakistan 
1 Germany 
1 Poland 
1 Hong Kong 
1 Russia 
1 Iran 
1 China 
1 Uzbekistan 
1 Iraq 
1 Ecuador 
1 Sweden 
1 Oman 
1 Ethiopia 
5 Singapore 3 Brazil 3 Bangladesh 2 Belgium 2 UK 2 Canada 2 Vietnam 1 Turkey 1 Pakistan 1 Germany 1 Poland 1 Hong Kong 1 Russia 1 Iran 1 China 1 Uzbekistan 1 Iraq 1 Ecuador 1 Sweden 1 Oman 1 Ethiopia