43 visiting now: 23 USA 
9 Singapore 
6 UK 
2 Belgium 
1 Brazil 
1 Trinidad and Tobago 
1 China 
1 Costa Rica 
1 France 
1 Argentina 
1 Vietnam 
1 Russia 
9 Singapore 6 UK 2 Belgium 1 Brazil 1 Trinidad and Tobago 1 China 1 Costa Rica 1 France 1 Argentina 1 Vietnam 1 Russia