Year % of current health expenditure 2000 43.75164032 2001 45.93526077 2002 43.81148529 2003 41.80723953 2004 40.37705612 2005 38.17235184 2006 38.36194992 2007 35.85983276 2008 38.39974594 2009 35.70730972 2010 37.76995468 2011 37.84277344 2012 42.28038025 2013 41.25961304 2014 39.08171844 2015 36.64800644 2016 32.53943253 2017 31.34976768 2018 36.66504669 2019 38.07092285 2020 26.29045105 2021 31.22301292