35 visiting now: 21 China 
5 USA 
2 Russia 
2 Brazil 
1 Ghana 
1 Indonesia 
1 Thailand 
1 India 
1 Philippines 
5 USA 2 Russia 2 Brazil 1 Ghana 1 Indonesia 1 Thailand 1 India 1 Philippines 5 USA 2 Russia 2 Brazil 1 Ghana 1 Indonesia 1 Thailand 1 India 1 Philippines