Asia

Regional Percentages: 
Whole Asia: 450%
Country Usage Percentages: 
Afghanistan: 30%Armenia: 30%Azerbaijan: 30%Bangladesh: 50%
Bhutan: 30%Brunei: 30%Cambodia (former Kampuchea): 30%Rep of china: 200%
Georgia: 30%Diego Garcia: 30%Hong Kong: 100%India: 200%
Indonesia: 100%Japan: 200%Kazakhstan: 30%Korea (North) : 30%
Korea (South): 200%Kyrgyzstan: 30%Laos: 30%Macau: 30%
Malaysia: 100%Maldives: 30%Mongolia: 30%Myanmar (former Burma): 30%
Nepal: 30%Pakistan: 100%Philippines: 100%Singapore: 50%
Sri Lanka: 50%Taiwan: 200%Tajikistan: 30%Thailand: 100%
Timor Leste (West): 30%Turkmenistan: 30%Uzbekistan: 30%Vietnam: 100%