Year % of government expenditure 1998 6.11467981338501 2000 5.2550802230835 2005 7.99235010147095 2006 7.45479011535645 2009 11.460000038147 2010 8.68476963043213 2011 8.96000003814697 2012 8.36999988555908 2013 8.82699966430664 2014 7.13000011444092 2015 8.91899967193604 2016 6.55100011825562 2017 6.76399993896484 2018 5.40999984741211 2019 6.04500007629395 2020 6.46700000762939 2021 6.92000007629395 2022 6.6399998664856 2023 7.72599983215332