20 visiting now: 10 USA 
3 China 
2 Russia 
1 UK 
1 Morocco 
1 Germany 
1 Seychelles 
1 Ireland 
3 China 2 Russia 1 UK 1 Morocco 1 Germany 1 Seychelles 1 Ireland 3 China 2 Russia 1 UK 1 Morocco 1 Germany 1 Seychelles 1 Ireland