Year % of current health expenditure 2000 20.22722816 2001 19.58826447 2002 20.87109566 2003 20.74809837 2004 19.94252586 2005 20.00812721 2006 20.20649719 2007 20.56418419 2008 19.90516281 2009 19.67219925 2010 19.72377968 2011 19.60092926 2012 19.45786667 2013 19.74363899 2014 19.53881264 2015 19.02587509 2016 18.4723587 2017 18.40237427 2018 18.50161743 2019 19.81006432 2020 17.39719009 2021 17.86028862