Year % of current health expenditure 2000 1.03790939 2001 22.46030045 2002 18.94771004 2003 21.51386452 2004 26.11310005 2005 31.64906693 2006 31.34633064 2007 30.2500782 2008 35.04632187 2009 40.48187637 2010 53.010849 2011 38.2709198 2012 44.30913162 2013 59.31538773 2014 28.02001381 2015 27.99764252 2016 37.90485764 2017 39.94075775 2018 43.06557465 2019 51.33028793 2020 56.58723831 2021 46.72115326