50 visiting now: 22 USA 
11 Singapore 
6 Brazil 
3 Belgium 
2 Germany 
2 Vietnam 
1 South Africa 
1 China 
1 Turkey 
1 France 
1 UK 
1 Argentina 
1 Saudi Arabia 
11 Singapore 6 Brazil 3 Belgium 2 Germany 2 Vietnam 1 South Africa 1 China 1 Turkey 1 France 1 UK 1 Argentina 1 Saudi Arabia