 O kwuru na CBN enyewanyela ụmụnwaanyị ohere ịnọ na nnụkwụ ọkwa gbagoro sitere na otu nwaanyi ibụ diretọ nafọ 2001 gbalie ga ụmụnwaanyị isii nafọ 2017 ebe pacent ụmụnwanyi CBN were nọrụ gbaro site na pacent iri abụọ na anọ ga iri abụọ abụọ na asatọ. 