50 visiting now: 38 USA 
5 Singapore 
2 Brazil 
2 China 
2 UK 
1 India 
1 Canada 
1 Vietnam 
1 Iran 
1 Finland 
1 France 
1 Ukraine 
1 Germany 
5 Singapore 2 Brazil 2 China 2 UK 1 India 1 Canada 1 Vietnam 1 Iran 1 Finland 1 France 1 Ukraine 1 Germany