43 visiting now: 21 USA 
4 Singapore 
3 Brazil 
3 China 
2 Germany 
2 UK 
2 Argentina 
1 Russia 
1 Europe 
1 Belgium 
1 Hong Kong 
1 Canada 
1 India 
1 Japan 
1 Ecuador 
1 Australia 
4 Singapore 3 Brazil 3 China 2 Germany 2 UK 2 Argentina 1 Russia 1 Europe 1 Belgium 1 Hong Kong 1 Canada 1 India 1 Japan 1 Ecuador 1 Australia