Year % of total expenditure in primary public institutions 2001 84.3789978027344 2002 82.386360168457 2003 89.3888931274414 2004 90.2358703613281 2013 86.0034713745117 2014 92.6961364746094 2015 94.0776214599609 2016 91.7249526977539 2017 89.9915084838867 2018 89.5950775146484 2019 86.4041900634766 2020 82.6399612426758