2017/18
http://www.nche.org.na/publications/documents/201718
2018/19
http://www.nche.org.na/publications/documents/201819
2020/21
http://www.nche.org.na/publications/documents/202021
2021/22
http://www.nche.org.na/publications/documents/202122
2022/23
http://www.nche.org.na/publications/documents/202223
NHESY 2014
http://www.nche.org.na/node/99
NHESY 2013
http://www.nche.org.na/publications/documents/nhesy-2013
NHESY 2015
http://www.nche.org.na/publications/documents/nhesy-2015
NHESY 2016
http://www.nche.org.na/publications/documents/nhesy-2016
