  
<prompt> Adadin watanni a tsakanin aure da haihuwar farko ga dukkan mata 'yan shekaru 15-49 ga shekarun bincike na 1990, 1997, 2002, 2007, 2009, and 2012, tare da kashi 95% na tabbacin tazara
  
 [[1990, 20.3], [1997, 21.5], [2002, 23.3], [2007, 28.3], [2009, 20.6], [2012, 22.3]] 
 <response> Kamar yadda aka nuna a hoto, in ban da tashin da ya yi sosai a 2007 zuwa ga watanni 28.3, wannan lamba ba ta sauya ba, daga watanni 20,3 zuwa 23.3.  