  
<prompt> Kason haife-haifen da ke a raye a cikin shekaru biyar na kafin bincike waɗanda aka yi ta hanyar fiɗa
 Kason haife-haifen da ke a raye a cikin shekaru biyar na kafin bincike waɗanda aka yi ta hanyar fiɗa 
 [[1990, 5.6], [1997, 10.5], [2002, 16], [2007, 18.5], [2012, 28.5]] 
 <response> kason haife-haifen da aka yi ta fiɗa ya ƙaru sosai daga kashi 5.6% a 1990 zuwa kashi 28.0% a 2012 Tun 2002, kason haihuwar da aka yi fiɗa ta zarce yadda WHO ta ba da shawara, wannan ya nuna cewa waɗannan haife-haifen da aka yi fiɗa wataƙila ba a yi su bisa matakin lafiya ba.  