Year,School enrollment secondary (% gross) 1973,18.77 1976,16.56 1977,16.67 1979,16.94 1980,18.88 1981,16.79 1983,20.15 1984,20.42 1985,19.84 1986,19.31 1987,19.58 1988,19.44 1989,19.31 1990,19.89 1998,41.93 1999,45.07 2000,46.72 2001,48.46 2002,49.62 2003,49.53 2004,46.31 2005,45.17 2006,45.7 2007,46.47 2008,44.57 2009,48.13 2010,49.5 2011,49.75 2012,51.67 2013,55.62 2015,59.42 2016,64.17 2017,62.34 2018,65.27 2019,65.12 2020,66.43 2021,66.83 2022,67.04 2023,65.99 2024,64.3