Year % of total working-age population with basic education 2001 57.513 2002 58.295 2003 60.701 2004 58.452 2005 59.326 2006 59.006 2007 57.493 2008 57.947 2009 57.51 2010 58.198 2012 56.049 2013 56.565 2014 56.133 2015 56.332 2016 54.032 2017 54.151 2018 53.469 2019 52.426 2020 63.658 2021 45.382 2022 45.284