Year % of current health expenditure 2000 21.97528839 2001 22.91764259 2002 25.38583565 2003 28.37373734 2004 30.2440052 2005 32.75773621 2006 35.13990021 2007 39.02609253 2008 44.5223999 2009 49.39831543 2010 51.90623093 2011 53.72208786 2012 55.7352562 2013 57.05029297 2014 58.4154892 2015 60.1810112 2016 58.1014328 2017 56.67334747 2018 56.41641998 2019 55.97903824 2020 54.72392273 2021 54.06824493