48 visiting now: 35 USA 
8 Singapore 
5 UK 
2 Brazil 
2 Canada 
1 Tunisia 
1 Costa Rica 
1 Germany 
1 Angola 
1 Iran 
1 Vietnam 
1 New Zealand 
1 China 
8 Singapore 5 UK 2 Brazil 2 Canada 1 Tunisia 1 Costa Rica 1 Germany 1 Angola 1 Iran 1 Vietnam 1 New Zealand 1 China