Year % of current health expenditure 2000 0.14243084 2001 0.637999 2002 1.84835112 2003 5.29683018 2004 9.01350689 2005 14.89759445 2006 19.61869621 2007 24.81287384 2008 21.26828003 2009 21.07645226 2010 19.10718727 2011 13.5727129 2012 9.25717926 2013 9.08328438 2014 5.818326 2015 4.76426315 2016 4.45284081 2017 4.01209021 2018 3.16092062 2019 2.70702982 2020 1.52561772 2021 1.18410611