Year	% of male working-age population with intermediate education
1970	50.928
1980	60.265
1991	69.329
2000	66.487
2011	78.46
2012	79.5
2013	80.14
2014	80.07
2015	79.52
2016	79.41
2017	79.99
2018	80.9
2019	81.41
2020	80.28
2021	83.17
2022	80.83