Year % of current health expenditure 2000 14.97 2001 17.8 2002 20.99 2003 18.67 2004 20.18 2005 15.01 2006 15.34 2007 13.57 2008 16.17 2009 17.17 2010 16.59 2011 18.03 2012 17.35 2013 14.95 2014 15.96 2015 16.88 2016 17.15 2017 17.15 2018 17.55 2019 18.45 2020 18.22 2021 15.89