Year % of government expenditure 2000 8.35262012481689 2004 10.5849895477295 2005 7.72973012924194 2007 6.22791004180908 2008 5.65180015563965 2012 17.511999130249 2013 17.4680004119873 2015 16.726110458374 2016 15.6636199951172 2017 14.9343395233154 2018 17.0909004211426 2019 15.2919998168945 2020 12.3780002593994 2023 13.8590002059937