Year % of government expenditure 1999 16.8203601837158 2000 15.3238096237183 2001 15.73152494430545 2002 14.5252103805542 2003 16.4000196456909 2004 17.05612468719485 2005 16.9791898727417 2006 17.9546394348145 2007 18.00916957855225 2008 18.0316905975342 2009 18.1756191253662 2010 17.6112308502197 2011 15.1183300018311 2012 14.5397996902466 2013 15.1999998092651 2014 15.0900001525879 2015 14.72781467437745 2016 13.37943983078 2017 16.3627490997314 2018 17.2023448944092 2019 14.2430000305176 2020 14.451000213623 2021 15.49108505249025 2022 14.4800000190735 2023 14.19500017166135