Year % of current health expenditure 2000 2.55207443 2001 3.02829003 2002 3.80298233 2003 4.87882614 2004 7.21008778 2005 4.42820024 2006 3.95365548 2007 2.3014133 2008 2.19099617 2009 3.10484314 2010 2.41821218 2011 1.91865075 2012 0.78191185 2013 1.04622626 2014 1.31314814 2015 1.06901741 2016 1.13063169 2017 0.88470006 2018 0.74564779 2019 0.80313951 2020 0.70856237 2021 0.67908335