45 visiting now: 29 USA 
8 Singapore 
5 Belgium 
2 UK 
1 Russia 
1 China 
1 Ecuador 
1 France 
1 Iran 
1 Poland 
8 Singapore 5 Belgium 2 UK 1 Russia 1 China 1 Ecuador 1 France 1 Iran 1 Poland 8 Singapore 5 Belgium 2 UK 1 Russia 1 China 1 Ecuador 1 France 1 Iran 1 Poland