44 visiting now: 21 USA 
8 Singapore 
4 Belgium 
3 Brazil 
3 Canada 
2 Russia 
2 UK 
2 France 
1 Ukraine 
1 India 
1 Morocco 
1 China 
8 Singapore 4 Belgium 3 Brazil 3 Canada 2 Russia 2 UK 2 France 1 Ukraine 1 India 1 Morocco 1 China