Year % of male lower secondary school age 1971 37.3749198913574 1972 34.083610534668 1973 31.8409690856934 1974 27.1166305541992 1975 27.0550804138184 1976 23.4909000396729 1977 21.0862007141113 1978 21.2665596008301 1979 15.4348697662354 1980 13.0822296142578 1981 11.9199600219727 1984 16.4612808227539 1985 14.91565990448 1986 12.7113103866577 1989 12.3822898864746 1991 5.55979013442993 1992 9.85111045837402 1996 0.3817999958992 1997 5.65102005004883 1998 4.55112981796265 1999 3.65095996856689 2000 1.75390994548798 2002 1.61637997627258 2003 3.32846999168396 2004 3.19527006149292 2005 2.60135006904602 2006 1.66126000881195 2007 0.814499974250793 2008 2.34625005722046 2015 2.46033000946045 2016 3.4366500377655 2017 3.27520990371704 2019 0.146789997816086 2020 1.98970997333527 2021 1.02163994312286 2022 0.364160001277924