40 visiting now: 23 USA 
7 Singapore 
4 UK 
3 France 
2 China 
1 Kenya 
1 Burkina Faso 
1 Canada 
1 Venezuela 
1 Iran 
7 Singapore 4 UK 3 France 2 China 1 Kenya 1 Burkina Faso 1 Canada 1 Venezuela 1 Iran 7 Singapore 4 UK 3 France 2 China 1 Kenya 1 Burkina Faso 1 Canada 1 Venezuela 1 Iran