Year % of total expenditure in primary public institutions 2004 87.9074935913086 2005 88.109619140625 2006 87.4288482666016 2007 88.0020599365234 2008 89.3960800170898 2009 89.5283889770508 2010 91.5494079589844 2011 92.9243392944336 2012 92.7742767333984 2013 94.3783569335938 2014 92.5217132568359 2015 94.0390167236328 2016 95.1325302124023 2017 93.8931884765625 2018 91.814567565918 2019 92.5092697143555 2020 93.8323669433594