Year % of current health expenditure 2000 2.825053769781584 2001 2.8052139786429664 2002 3.2643044617875616 2003 2.6096726589535617 2004 2.9979437862957927 2005 2.567549441163054 2006 2.4723425576186737 2007 2.3698200277663046 2008 3.01482800720521 2009 2.371696563191875 2010 2.101791985515588 2011 2.299833142479058 2012 2.1959451321972776 2013 1.783868190590135 2014 2.3414257227277906 2015 1.9423567838759375 2016 1.9625899362449437 2017 2.1475258191648625 2018 2.1208754029340504 2019 2.131239054152374 2020 2.031070190391808 2021 3.9033578770242423