50 visiting now: 25 USA 
7 Singapore 
2 Canada 
2 China 
2 Bangladesh 
2 Belgium 
2 Russia 
2 Brazil 
1 South Africa 
1 Iran 
1 Sweden 
1 Iraq 
1 Ecuador 
1 Turkey 
1 Oman 
1 Ethiopia 
1 Germany 
1 Vietnam 
1 Hong Kong 
7 Singapore 2 Canada 2 China 2 Bangladesh 2 Belgium 2 Russia 2 Brazil 1 South Africa 1 Iran 1 Sweden 1 Iraq 1 Ecuador 1 Turkey 1 Oman 1 Ethiopia 1 Germany 1 Vietnam 1 Hong Kong