  
<prompt> Sauye-sauye a Yaɗuwar Yin Alluran Riga-kafi | Kason yara 'yan watanni 12-23 | (YDHCHS na 1997, Dukkan alluran riga-kafi na farko, 28) (YMICS na 2006, Dukkan alluran riga-kafi na farko, 38) (YNHDS na 2013, Dukkan alluran riga-kafi na farko, 43) (YDHCHS na 1997, Ba alluran riga-kafi, 12) (YMICS na 2006, Ba alluran riga-kafi, 12) (YNHDS na 2013, Ba alluran riga-kafi, 16) <response> Saboda haka, kason yaran da ba su karɓi kowace riga-kafi ba shi ma ya ƙaru, daga kashi 12% zuwa kashi 16%.  