38 visiting now: 33 USA 
4 Singapore 
2 Canada 
1 Vietnam 
1 Lithuania 
1 Brazil 
1 Peru 
1 Russia 
1 China 
1 Honduras 
1 Iran 
4 Singapore 2 Canada 1 Vietnam 1 Lithuania 1 Brazil 1 Peru 1 Russia 1 China 1 Honduras 1 Iran