46 visiting now: 29 USA 
8 Singapore 
3 Canada 
2 Czech Republic 
2 Germany 
2 UK 
1 Russia 
1 China 
1 South Africa 
1 Hong Kong 
1 Belgium 
1 New Zealand 
8 Singapore 3 Canada 2 Czech Republic 2 Germany 2 UK 1 Russia 1 China 1 South Africa 1 Hong Kong 1 Belgium 1 New Zealand