40 visiting now: 13 USA 
7 China 
3 Brazil 
2 Mexico 
2 Russia 
1 Turkey 
1 Bulgaria 
1 France 
1 Ukraine 
1 Namibia 
1 Saudi Arabia 
1 Hong Kong 
1 UK 
1 Pakistan 
1 Sweden 
1 Italy 
1 Poland 
1 Germany 
7 China 3 Brazil 2 Mexico 2 Russia 1 Turkey 1 Bulgaria 1 France 1 Ukraine 1 Namibia 1 Saudi Arabia 1 Hong Kong 1 UK 1 Pakistan 1 Sweden 1 Italy 1 Poland 1 Germany