78 visiting now: 50 USA 
10 Singapore 
7 Brazil 
5 Vietnam 
3 Russia 
1 Saudi Arabia 
1 France 
1 Germany 
1 Azerbaijan 
1 Turkey 
1 Iraq 
1 Belgium 
1 UK 
1 Morocco 
1 China 
10 Singapore 7 Brazil 5 Vietnam 3 Russia 1 Saudi Arabia 1 France 1 Germany 1 Azerbaijan 1 Turkey 1 Iraq 1 Belgium 1 UK 1 Morocco 1 China