Year % of total working-age population with basic education 1994 37.2720460603205 1995 37.74460452048255 1996 37.98389560670425 1997 39.042010986992544 1998 39.071117737529555 1999 39.320475020418726 2000 41.25738798458498 2001 41.27210680217372 2002 41.750180814370395 2003 42.13494672099955 2004 42.38006206024717 2005 42.30308658445426 2006 43.09887110502841 2007 43.46412519973912 2008 43.05048863460821 2009 42.757326871611916 2010 42.57740541599285 2011 41.69222519925921 2012 41.55666971831095 2013 41.45792653263666 2014 41.406223988574375 2015 41.522129426711864 2016 41.64667654149268 2017 41.80901225828718 2018 42.25248394414951 2019 42.44710786959162 2020 41.13211520559623 2021 41.866073616574226 2022 42.597025849076836 2023 44.01249462616332