Year % of current health expenditure 2000 4.13562393 2001 11.09671402 2002 15.82381535 2003 18.22595978 2004 20.50225639 2005 18.8279438 2006 25.95579529 2007 23.43642616 2008 24.30826187 2009 23.1753788 2010 25.54747581 2011 32.03874969 2012 30.95792389 2013 29.95048714 2014 36.72040558 2015 32.6674881 2016 32.6483078 2017 23.74609756 2018 32.33866119 2019 24.6224823 2020 22.11081886 2021 24.16498947