Year % of current health expenditure 2000 0.15161372363273018 2001 0.14518592118809256 2002 0.1562629590543743 2003 0.17579581710695713 2004 0.2428440100072861 2005 0.2640819657787206 2006 0.25703540481405895 2007 0.2689583882924286 2008 0.285123992138398 2009 0.2983695197911445 2010 0.3138167915376064 2011 0.3313713810237758 2012 0.31459608416374424 2013 0.3340326749405322 2014 0.3278566487773466 2015 0.278986104456052 2016 0.255679920141166 2017 0.24711010654871632 2018 0.23747840766454772 2019 0.24839872290249215 2020 0.22432009419089144 2021 0.3244669774257198