43 visiting now: 21 USA 
4 Singapore 
3 UK 
2 Belgium 
2 Pakistan 
2 Brazil 
1 Paraguay 
1 Hong Kong 
1 Poland 
1 Ireland 
1 Vietnam 
1 Russia 
1 Korea 
1 Saudi Arabia 
1 Panama 
1 Germany 
4 Singapore 3 UK 2 Belgium 2 Pakistan 2 Brazil 1 Paraguay 1 Hong Kong 1 Poland 1 Ireland 1 Vietnam 1 Russia 1 Korea 1 Saudi Arabia 1 Panama 1 Germany