48 visiting now: 27 USA 
6 Singapore 
5 Belgium 
3 Canada 
2 Brazil 
2 Vietnam 
2 UK 
1 India 
1 Iran 
1 Lithuania 
1 Poland 
1 China 
1 Hong Kong 
1 Australia 
6 Singapore 5 Belgium 3 Canada 2 Brazil 2 Vietnam 2 UK 1 India 1 Iran 1 Lithuania 1 Poland 1 China 1 Hong Kong 1 Australia