43 visiting now: 23 USA 
10 Singapore 
5 UK 
2 Belgium 
2 China 
2 France 
1 Vietnam 
1 Korea 
1 Poland 
1 Brazil 
1 India 
10 Singapore 5 UK 2 Belgium 2 China 2 France 1 Vietnam 1 Korea 1 Poland 1 Brazil 1 India