16 visiting now: 7 USA 
2 Brazil 
2 China 
1 India 
1 Iran 
1 Japan 
1 Germany 
1 Venezuela 
1 Hong Kong 
1 Vietnam 
2 Brazil 2 China 1 India 1 Iran 1 Japan 1 Germany 1 Venezuela 1 Hong Kong 1 Vietnam 2 Brazil 2 China 1 India 1 Iran 1 Japan 1 Germany 1 Venezuela 1 Hong Kong 1 Vietnam