50 visiting now: 32 USA 
7 Singapore 
4 China 
4 France 
3 Brazil 
2 UK 
2 Vietnam 
1 Albania 
1 India 
1 Russia 
7 Singapore 4 China 4 France 3 Brazil 2 UK 2 Vietnam 1 Albania 1 India 1 Russia 7 Singapore 4 China 4 France 3 Brazil 2 UK 2 Vietnam 1 Albania 1 India 1 Russia