Year % of current health expenditure 2000 2.93196416 2001 1.68857896 2002 1.70345485 2003 1.51216161 2004 1.29263496 2005 0.66981578 2006 0.53093177 2007 0.41532418 2008 0.57264763 2009 0.87065142 2010 0.86989206 2011 0.8076635 2012 0.53232646 2013 0.54069453 2014 0.34754372 2015 0.32213777 2016 0.35813701 2017 0.28326312 2018 0.06466379 2019 0.00630664 2020 0.00379644 2021 0.27303913