Year % of current health expenditure 2000 46.322155 2001 50.9503212 2002 51.37641907 2003 49.60425949 2004 50.01566315 2005 51.88076019 2006 55.63838959 2007 58.60835266 2008 64.56129456 2009 64.2539978 2010 66.5559845 2011 65.95288849 2012 65.91529846 2013 66.04079437 2014 62.17969513 2015 67.60857391 2016 69.7363205 2017 69.07136536 2018 68.39220428 2019 68.36689758 2020 70.58061981 2021 68.80960083