  
<prompt> Usoro na Mkpuchi Ọgwụ Mgbochi Ụmụaka | Pasenteji nke ụmụaka dị ọnwa 12-23 agbazuru ọgwụ mgbochi | (1993, 79) (1998, 65) (2003, 57) (2008, 77) <response> Mkpuchi ọgwụ mgbochi ụmụaka gbagoro nke ukwuu site na 79% na 2007 ruo 90% na 2003.  