Year % of current health expenditure 2000 46.64530563 2001 34.58095551 2002 34.62670135 2003 31.81945801 2004 22.89224815 2005 21.14559174 2006 18.36457825 2007 26.2300148 2008 16.02517891 2009 24.25165367 2010 24.05106735 2011 25.97605133 2012 26.72743416 2013 28.53607368 2014 26.96157074 2015 23.94773293 2016 18.57905197 2017 21.32448578 2018 17.59959984 2019 17.7643261 2020 17.73267555 2021 16.03077126