Year % of current health expenditure 2000 1.6983232936266957 2001 1.852977578338634 2002 2.3882242592427745 2003 2.7129481318546724 2004 3.784882737280469 2005 3.8635012297324147 2006 2.9383468937339723 2007 2.8479982697092816 2008 2.9636476289945732 2009 2.769375517221935 2010 2.635948457113831 2011 2.5224237850229687 2012 2.350013311139647 2013 2.0666864349353706 2014 2.2195476639774316 2015 1.7924638791135923 2016 1.5968187721443927 2017 1.5631759131272909 2018 1.466026889535014 2019 1.517092488817207 2020 1.3181085229215208 2021 2.2139098708519023