Year	% of current health expenditure
2000	3.32
2001	1.93
2002	2.14
2003	2.84
2004	2.25
2005	2.69
2006	2.23
2007	2.32
2008	2.45
2009	2.88
2010	4.02
2011	3.98
2012	4.81
2013	3.38
2014	3.78
2015	4.79
2016	3.73
2017	3.12
2018	2.95
2019	3.21
2020	2.83
2021	2.83