Year % of government expenditure 2000 15.25988960266115 2004 17.05612468719485 2005 17.85555934906005 2006 17.9546394348145 2008 18.0316905975342 2009 17.6823406219482 2010 17.391508102417 2011 17.26089477539065 2012 16.4283199310303 2013 16.4074144363403 2014 16.5964698791504 2015 16.5985298156738 2016 15.9499998092651 2017 16.3627490997314 2018 17.2210006713867 2019 14.4941005706787 2020 15.1426095962524 2021 15.5159997940063 2022 14.40399980545045 2023 13.5659999847412