36 visiting now: 23 USA 
5 France 
4 Singapore 
1 Switzerland 
1 China 
1 UK 
1 New Zealand 
1 Russia 
5 France 4 Singapore 1 Switzerland 1 China 1 UK 1 New Zealand 1 Russia 5 France 4 Singapore 1 Switzerland 1 China 1 UK 1 New Zealand 1 Russia