42 visiting now: 10 USA 
10 Singapore 
6 China 
5 UK 
4 Brazil 
2 Saudi Arabia 
2 Australia 
2 Sweden 
1 India 
1 Japan 
1 Ukraine 
1 Russia 
1 Ecuador 
1 Argentina 
1 France 
1 Germany 
1 Bangladesh 
10 Singapore 6 China 5 UK 4 Brazil 2 Saudi Arabia 2 Australia 2 Sweden 1 India 1 Japan 1 Ukraine 1 Russia 1 Ecuador 1 Argentina 1 France 1 Germany 1 Bangladesh