61 visiting now: 21 USA 
8 Singapore 
8 UK 
6 Brazil 
6 China 
3 India 
3 Russia 
2 Ecuador 
2 France 
2 Philippines 
1 Serbia 
1 Argentina 
1 Thailand 
1 Uruguay 
1 Colombia 
8 Singapore 8 UK 6 Brazil 6 China 3 India 3 Russia 2 Ecuador 2 France 2 Philippines 1 Serbia 1 Argentina 1 Thailand 1 Uruguay 1 Colombia