Year % of current health expenditure 2000 0 2001 0 2002 0 2003 0 2004 0.48 2005 0.42 2006 0.18 2007 0.16 2008 0.04 2009 0.03 2010 0.08 2011 0.02 2012 0 2013 0.22 2014 0.04 2020 0.15 2021 2.58