Year % of total expenditure in tertiary public institutions 1998 69.8750610351562 1999 62.9134407043457 2000 75.6197662353516 2001 60.0943908691406 2002 59.9212799072266 2003 59.2200698852539 2004 66.72705078125 2005 65.8420028686523 2015 58.2505683898926 2016 57.3878517150879 2017 56.689151763916 2018 56.119930267334 2019 52.478401184082