Nicaragua
43.1 (2001)

Niger
50.5 (1995)

Nigeria
43.7 (2003)

Norway
28 (2005)

Pakistan
30.6 (2002)

Panama
56.1 (2003)

Papua New Guinea
50.9 (1996)

Paraguay
56.8 (2008)

Peru
52 (2003)

Philippines
45.8 (2006)