  
<prompt> Pasenteji nke ụmụ amụrụ dị ndụ n'ime afọ ise tupu nyocha ahụ amụrụ site na ịwa akpa nwa
 Pasenteji nke ụmụ amụrụ dị ndụ n'ime afọ ise tupu nyocha ahụ amụrụ site na ịwa akpa nwa 
 [[1990, 5.6], [1997, 10.5], [2002, 16], [2007, 18.5], [2012, 28.5]] 
 <response> pasenteji nke ụmụ amụrụ site na ịwa akpa nwa gbagoro nke ukwuu site na 5.6% na 1990 ruo 28.0% na 2012 Kemgbe 2002 pasenteji nke ụmụ amụrụ site na ịwa akpa nwa agafeela nkwado WHO, na atụnye na ọ nwere ike ịbụ na egosipụtaghị imirikiti nke ịwa akpa nwa ndị a na ndekọ ahuike.  