Australia 1 Belgium 3 China 8 Czech Republic 1 Denmark 12 Estonia 7 Finland 34 France 8 Germany 17 Hong Kong 2 Iceland 2 India 7 Italy 6 Japan 7 Korea, Republic of 5 Latvia 3 Lithuania 2 Malta 1 Netherlands 7 Norway 4 Poland 1 Singapore 4 Slovakia 1 Spain 10 Sweden 10 Switzerland 4 Taiwan 2 Thailand 1 Ukraine 1 United Arab Emirates 3 United Kingdom 13 United States 4