43 visiting now: 25 USA 
5 Singapore 
3 UK 
2 China 
2 India 
1 Romania 
1 Bangladesh 
1 Saudi Arabia 
1 Belgium 
1 Kuwait 
1 Vietnam 
5 Singapore 3 UK 2 China 2 India 1 Romania 1 Bangladesh 1 Saudi Arabia 1 Belgium 1 Kuwait 1 Vietnam