Year % of current health expenditure 2000 38.62985992 2001 39.44773865 2002 40.20476532 2003 40.89640045 2004 41.51860428 2005 42.11570358 2006 42.67474365 2007 42.86813354 2008 42.79279327 2009 42.52130127 2010 42.10583115 2011 41.58300018 2012 40.97820663 2013 39.06398773 2014 38.00471115 2015 39.67178345 2016 39.75572586 2017 40.51967239 2018 41.91517639 2019 35.57650757 2020 33.4330864 2021 33.74076843