42 visiting now: 22 USA 
6 Singapore 
3 Brazil 
2 UK 
2 India 
2 Canada 
1 Hungary 
1 Australia 
1 Russia 
1 South Africa 
1 China 
6 Singapore 3 Brazil 2 UK 2 India 2 Canada 1 Hungary 1 Australia 1 Russia 1 South Africa 1 China