Year % of current health expenditure 2000 3.58584976 2001 10.60498333 2002 8.49235535 2003 13.73978138 2004 18.59580231 2005 18.38009071 2006 10.95277691 2007 10.9606657 2008 12.73998451 2009 9.8219471 2010 14.19771099 2011 12.6313343 2012 10.10047531 2013 10.08552742 2014 10.27891827 2015 6.24294519 2016 5.21909714 2017 6.04934263 2018 4.16103935 2019 3.58395338 2020 4.27029324 2021 4.32074213