Year % of government expenditure 2000 13.9203901290894 2001 13.2260999679565 2004 18.6066303253174 2005 22.8328609466553 2008 15.1049098968506 2009 12.8447103500366 2010 10.2955198287964 2011 11.3875102996826 2013 15.6869497299194 2014 17.4541397094727 2015 19.9050006866455 2016 18.2250003814697 2017 19.4519996643066 2018 17.2070007324219 2019 18.0860004425049 2020 18.548999786377 2021 15.710000038147 2022 19.6539993286133 2023 17.7999992370605