Year % of total working-age population with basic education 2010 59.765 2011 60.283 2012 60.864 2013 60.385 2014 59.857 2015 58.85 2016 59.353 2017 59.177 2018 58.313 2019 59.884 2020 55.818 2021 56.153 2022 57.471