Year % of current health expenditure 2000 2.7811141 2001 1.85194302 2002 4.27599144 2003 9.52238274 2004 9.75456238 2005 8.48487282 2006 5.17399549 2007 5.82112026 2008 7.16688108 2009 8.33611298 2010 7.53666019 2011 6.13482237 2012 7.06629562 2013 5.26468992 2014 6.25401783 2015 5.02577019 2016 4.95717335 2017 3.69296241 2018 2.95789766 2019 2.64020228 2020 5.65969276 2021 4.97716427