37 visiting now: 19 USA 
5 Singapore 
2 UK 
1 Hong Kong 
1 Argentina 
1 Spain 
1 India 
1 Australia 
1 Japan 
1 Belgium 
1 Korea 
1 Brazil 
1 Poland 
1 China 
5 Singapore 2 UK 1 Hong Kong 1 Argentina 1 Spain 1 India 1 Australia 1 Japan 1 Belgium 1 Korea 1 Brazil 1 Poland 1 China