42 visiting now: 28 USA 
5 Singapore 
4 India 
3 UK 
1 Yemen 
1 Romania 
1 South Africa 
1 Brazil 
1 China 
5 Singapore 4 India 3 UK 1 Yemen 1 Romania 1 South Africa 1 Brazil 1 China 5 Singapore 4 India 3 UK 1 Yemen 1 Romania 1 South Africa 1 Brazil 1 China