* This gallery indicates the world leaders in terms of size as an average of the package front and back.
Only those countries exceeding 60% on average are listed here.
* Some coutries lack of pictures sources:Lao P.D.R / Myanmar / Kiribati / San Marino / Togo / Turkmenistan / Samoa
* Year of implementation on the picture is the first time law was implenmented
Sri Lanka
Australia
Uruguay
Brunei
Canada
Chad
EU countries
Turkey
Mauritius
Brazil
Mexico
Venezuela
Ecuador
Jamaica
New Zealand