38 visiting now: 23 USA 
6 Singapore 
5 France 
3 UK 
1 Russia 
1 Canada 
1 China 
1 Korea 
6 Singapore 5 France 3 UK 1 Russia 1 Canada 1 China 1 Korea 6 Singapore 5 France 3 UK 1 Russia 1 Canada 1 China 1 Korea