44 visiting now: 21 USA 
9 Singapore 
6 UK 
4 Canada 
1 China 
1 Zimbabwe 
1 Hong Kong 
1 New Zealand 
9 Singapore 6 UK 4 Canada 1 China 1 Zimbabwe 1 Hong Kong 1 New Zealand 9 Singapore 6 UK 4 Canada 1 China 1 Zimbabwe 1 Hong Kong 1 New Zealand