44 visiting now: 26 USA 
8 Singapore 
4 China 
4 France 
2 Belgium 
2 UK 
1 Iran 
1 Japan 
8 Singapore 4 China 4 France 2 Belgium 2 UK 1 Iran 1 Japan 8 Singapore 4 China 4 France 2 Belgium 2 UK 1 Iran 1 Japan