Year % of current health expenditure 2000 6.18093157 2001 17.54957199 2002 4.75790501 2003 3.47617865 2004 3.59347343 2005 3.60450792 2006 6.49782467 2007 6.71171522 2008 4.12266636 2009 6.16527605 2010 4.88219595 2011 4.69313383 2012 2.816432 2013 1.36248958 2014 0.44591776 2015 1.55045509 2016 1.31218207 2017 2.26379919 2018 2.56104445 2019 0.87721711 2020 1.38519382 2021 0.43402666