72 visiting now: 32 USA 
8 Singapore 
4 Brazil 
4 Canada 
4 Bangladesh 
3 China 
3 Spain 
2 Saudi Arabia 
2 Argentina 
2 Germany 
2 India 
1 Uzbekistan 
1 Iran 
1 Iraq 
1 Japan 
1 Costa Rica 
1 Turkey 
1 Kenya 
1 Latvia 
8 Singapore 4 Brazil 4 Canada 4 Bangladesh 3 China 3 Spain 2 Saudi Arabia 2 Argentina 2 Germany 2 India 1 Uzbekistan 1 Iran 1 Iraq 1 Japan 1 Costa Rica 1 Turkey 1 Kenya 1 Latvia