Europe
Italy - 6.2 inches
Bulgaria - 5.9 inches
Serbia - 5.8 inches
Germany 5.7 inches
Hungary - 5.7 inches
Norway - 5.6 inches
France - 6.3 inches
Netherlands - 5.8 inches
Spain - 5.6 - 5.7 inches
Greece - 5.7 inches

Africa
Ethiopia - 5.3 inches
Tanzania - 5.1 inches
Nigeria - 5.3 inches
Congo 7.1 inches
Ghana 6.8 inches
Cameroon 6.6

Middle East
Pakistan - 4.4 inches
Saudi Arabia - 4.9 inches
Yemen - 5 inches
Jordan - 5.3 inches
Turkmenistan - 5.3 inches
Libya - 5.4 inches
Azerbaijan - 5.4 inches
Turkey - 5.5 inches