 
<prompt> Ọkara ikike nha ezinụlọ maka afọ nyocha nke 1990, 1997, 2002, 2007, 2009, yana 2012, nwere nkebioge obi ike 95% | Ọkara ikike nha ezinụlọ maka afọ nyocha nke 1990, 1997, 2002, 2007, 2009, yana 2012, nwere nkebioge obi ike 95% | (1990.0, 6.9) (1997.0, 6.0) (2002.0, 5.7) (2007.0, 5.3) (2009.0, 5.1) (2012.0, 5.1) <response> Atụmatụ 2 na egosi na ọkara ikike (ma ọ bụ onye obibi) nha ezinụlọ gbadara nke ukwuu site na 6.9 na 1990 ruo 5.1 na 2009, mana ọ gbanweghị n'etiti 2009 na 2012  