Year % of total expenditure in primary public institutions 2011 90.751091003418 2012 89.0827789306641 2013 89.2743988037109 2014 86.3559494018555 2015 89.1003570556641 2016 90.6808776855469 2017 92.3704223632812 2018 88.9024200439453 2019 91.8528594970703 2020 91.8255996704102