39 visiting now: 24 USA 
6 Belgium 
2 India 
2 UK 
1 Hong Kong 
1 Australia 
1 Iran 
1 Bangladesh 
1 Poland 
1 Singapore 
1 China 
6 Belgium 2 India 2 UK 1 Hong Kong 1 Australia 1 Iran 1 Bangladesh 1 Poland 1 Singapore 1 China