Year % of total expenditure in primary public institutions 2002 93.9525909423828 2004 95.3295593261719 2005 97.6584014892578 2006 96.01264190673831 2007 95.5990829467773 2008 94.32418060302734 2009 96.3953971862793 2010 96.2207794189453 2011 96.442626953125 2012 95.48640060424805 2013 95.0836181640625 2014 95.3436393737793 2015 95.3442687988281 2016 95.9206008911133 2017 94.63835144042969 2018 95.82419967651364 2019 96.09880447387695 2020 96.2612915039062 2021 96.6172981262207