Year % of total working-age population with basic education 2001 58.788 2002 58.711 2003 58.366 2004 56.724 2005 59.52 2006 58.738 2007 59.35 2008 60.323 2009 59.919 2010 56.83 2011 57.908 2012 62.352 2013 61.112 2014 61.323 2015 60.858 2016 56.695 2017 57.386 2018 60.369 2019 61.115 2020 57.559 2021 57.57 2022 57.601 2023 53.114