48 visiting now: 21 USA 
9 Singapore 
5 Brazil 
3 Canada 
3 UK 
3 Belgium 
1 Saudi Arabia 
1 Czech Republic 
1 Hong Kong 
1 Iran 
1 Venezuela 
1 Portugal 
9 Singapore 5 Brazil 3 Canada 3 UK 3 Belgium 1 Saudi Arabia 1 Czech Republic 1 Hong Kong 1 Iran 1 Venezuela 1 Portugal