61 visiting now: 29 USA 
10 Singapore 
4 France 
3 China 
2 UK 
2 Russia 
2 Belgium 
1 Brazil 
1 India 
1 Chile 
1 Argentina 
1 Iran 
1 Australia 
1 Vietnam 
1 Colombia 
1 Bangladesh 
1 Ecuador 
1 South Africa 
10 Singapore 4 France 3 China 2 UK 2 Russia 2 Belgium 1 Brazil 1 India 1 Chile 1 Argentina 1 Iran 1 Australia 1 Vietnam 1 Colombia 1 Bangladesh 1 Ecuador 1 South Africa