International zones


Australia 2
Austria 3
Bahrain 3
Bangladesh 2
Belarus 4
Belgium 3
Bhutan 4
Brazil  3
Brunei 1
Bulgaria 4
Cambodia 3
Canada 3
China 2
Cyprus 3
Denmark 3
Egypt 4
Fiji 3
Finland 3
France 3
Germany 3
Great Britain 2
Greece 3
Hongkong 1
Hungary 3
Iceland 4
India 2
Indonesia 1
Iran 4
Ireland 2
Israel 4
Italy 3
Japan 2
Jordan 4
Korea, South 2
Kuwait 4
Laos 3
Luxembourg 3
Macau 2
Malaysia 1
Maldives 2
Mongolia 4
Myanmar 2
Nepal 4
Netherlands 3
New Zealand 2
Norway 3
Oman 4
Pakistan 2
Papua New Guinea 3
Poland 4
Portugal 4
Qatar 4
Romania 4
Russian Fed 4
Saudi Arabia 3
Singapore 1
Slovenia 4
Solomon Islands 4
South Africa 4
Spain 2
Sri Lanka 2
Sweden 3
Switzerland 3
Taiwan 1
Thailand 1
Turkey 4
UAE 3
Ukraine 4
USA 3
Vietnam 2
Yemen 4
Rest of World  4