Year % of current health expenditure 2000 5.3975749 2001 4.63487625 2002 2.58924723 2003 2.92627263 2004 2.65619421 2005 2.17284513 2006 2.65828085 2007 2.91871381 2008 3.70176363 2009 2.72051525 2010 4.09697485 2011 3.23609567 2012 3.02624178 2013 3.17922878 2014 2.89948893 2015 3.09310937 2016 3.0688107 2017 3.15767097 2018 3.70020819 2019 3.68255544 2020 3.4970479 2021 3.63947797