  
<prompt> Pasentị nke ezinụlọ nwere nwanyị n'isi
  
 [[1990, 6.4], [1997, 9.6], [2002, 11.5], [2007, 10.3], [2009, 11.4], [2012, 12.9]] 
 <response> Atụmatụ 4 na egosi na pasentị nke ezinụlọ ndị nwanyị na achị gbagoro nke ukwuu na nkebioge 1990-2002 na 2007-2012 (hụ Tebul 2). Pasenteji bụbu 6.4% na 1990 nke mụbara ugboro abụọ iji rute 12.9% na 2012. N'oge dị n'etiti 2002 na 2007, pasenteji ahụ gbadara nke ukwuu site na akara pasenteji 1.1 tupu ọ gbagoo ọzọ na 2009  