47 visiting now: 22 USA 
10 Singapore 
6 Canada 
4 UK 
3 France 
2 Belgium 
1 Bangladesh 
1 Iran 
10 Singapore 6 Canada 4 UK 3 France 2 Belgium 1 Bangladesh 1 Iran 10 Singapore 6 Canada 4 UK 3 France 2 Belgium 1 Bangladesh 1 Iran