Year % of total working-age population with basic education 2000 45.14054037682544 2001 44.300588583340556 2002 46.05028199423166 2003 45.97695251246703 2004 45.65384089584178 2005 45.79291301576116 2006 45.990398962317535 2007 46.485937226538475 2008 45.96450134915343 2009 46.04719380682237 2010 45.75220320165429 2011 45.91501314577769 2012 45.87912689711431 2013 45.31831239349735 2014 44.816060213708184 2015 44.780545998177836 2016 44.603821737157176 2017 44.723103123390096 2018 44.62021658808855 2019 44.85656237254768 2020 42.48632621025803 2021 43.596687137428994 2022 43.7392312100144 2023 44.0119280693654