27 visiting now: 15 USA 
3 Russia 
2 India 
2 Germany 
1 Belgium 
1 Hong Kong 
1 China 
1 Moldova 
1 France 
3 Russia 2 India 2 Germany 1 Belgium 1 Hong Kong 1 China 1 Moldova 1 France 3 Russia 2 India 2 Germany 1 Belgium 1 Hong Kong 1 China 1 Moldova 1 France