50 visiting now: 32 USA 
8 Singapore 
6 Canada 
3 UK 
2 Argentina 
1 Australia 
1 China 
1 France 
1 Ireland 
8 Singapore 6 Canada 3 UK 2 Argentina 1 Australia 1 China 1 France 1 Ireland 8 Singapore 6 Canada 3 UK 2 Argentina 1 Australia 1 China 1 France 1 Ireland