  
<prompt> Emezuru oke ọmụmụ nwa maka ụmụ nwanyị niile dị afọ 40-49 maka afọ nyocha nke 1990, 1997, 2002, 2007, 2009, yana 2012, nwere nkebioge obi ike 95%
  
 [[1990, 8.1], [1997, 6.8], [2002, 5.9], [2007, 5.3], [2009, 4.9], [2012, 4.6]] 
 <response> Atụmatụ 9 na egosi mgbada dị ukwuu n'ofe afọ gara aga site n'ọkara nke ọmụmụ nwa 8.1 kwa nwanyị na 1990 ruo ọmụmụ nwa 4.6 kwa nwanyị na 2012.  