Year % of male working-age population with basic education 1991 72.573 1992 72.04 1993 71.984 1994 73.534 1995 73.92 1999 78.969 2000 78.877 2001 82.659 2002 80.348 2004 91.403 2005 71.362 2006 75.089 2007 75.35 2008 74.746 2009 73.685 2011 78.818 2012 71.981 2013 72.926 2014 77.54 2015 73.833 2016 71.6 2017 72.814 2018 76.662 2019 78.161 2020 74.532 2021 79.954 2022 79.498