80 visiting now: 32 USA 
9 Singapore 
7 India 
4 UK 
4 France 
4 Australia 
3 China 
3 Germany 
3 Vietnam 
2 Canada 
2 Finland 
2 Ukraine 
2 Korea 
1 Turkey 
1 Iran 
1 Argentina 
1 Malaysia 
1 Brazil 
1 Hong Kong 
9 Singapore 7 India 4 UK 4 France 4 Australia 3 China 3 Germany 3 Vietnam 2 Canada 2 Finland 2 Ukraine 2 Korea 1 Turkey 1 Iran 1 Argentina 1 Malaysia 1 Brazil 1 Hong Kong