Year % of total working-age population with basic education 2000 56.68 2001 54.138 2002 54.081 2003 53.026 2004 53.685 2005 53.32 2006 53.718 2007 54.203 2008 52.889 2009 51.152 2010 52.68 2011 54.022 2012 54.516 2013 54.155 2014 55.046 2015 58.184 2016 60.633 2017 60.065 2018 61.854 2019 63.042 2020 59.836 2021 60.673 2022 59.436 2023 61.431