Year % of total expenditure in public institutions 1998 79.0559997558594 1999 79.7901077270508 2000 81.8730926513672 2001 81.0398712158203 2002 83.290901184082 2003 78.1649017333984 2004 79.2525787353516 2005 78.321403503418 2015 85.6745071411133 2016 88.1142807006836 2017 88.1142807006836 2018 88.1830291748047 2019 86.4689712524414