Year % of government expenditure 1996 12.5003099441528 1997 12.6278896331787 1998 11.7939701080322 2004 19.492639541626 2005 18.1431407928467 2006 15.0150699615479 2007 19.4492301940918 2008 18.9404697418213 2009 17.6823406219482 2010 19.8020191192627 2011 17.6180000305176 2012 16.878999710083 2013 19.1149997711182 2014 17.2971000671387 2015 17.6350002288818 2016 17.2040004730225 2017 24.3965396881104 2018 20.504940032959 2019 14.2919998168945 2020 13.628999710083 2021 13.5369997024536 2022 14.3319997787476 2023 13.7040004730225