Year % of government expenditure 1999 13.4171695709229 2000 10.4612998962402 2001 12.7703304290771 2002 12.7938003540039 2008 16.06422996521 2013 14.6529998779297 2014 14.5389995574951 2015 14 2016 14.4060001373291 2017 13.2119998931885 2018 14.8470001220703 2019 15.5959997177124 2020 16.2150001525879