48 visiting now: 23 USA 
10 China 
4 India 
4 Brazil 
3 Vietnam 
2 Philippines 
1 Kenya 
1 Canada 
10 China 4 India 4 Brazil 3 Vietnam 2 Philippines 1 Kenya 1 Canada 10 China 4 India 4 Brazil 3 Vietnam 2 Philippines 1 Kenya 1 Canada