44 visiting now: 25 USA 
6 Singapore 
4 France 
3 Belgium 
3 UK 
1 South Africa 
1 Canada 
1 Hong Kong 
1 Iran 
6 Singapore 4 France 3 Belgium 3 UK 1 South Africa 1 Canada 1 Hong Kong 1 Iran 6 Singapore 4 France 3 Belgium 3 UK 1 South Africa 1 Canada 1 Hong Kong 1 Iran