Year % of GDP 2009 20.1151721657444 2010 19.260830038155447 2011 18.845544835008667 2012 28.461992905762134 2013 24.913889172258315 2014 27.92075650419848 2015 27.334646046567823 2016 37.88620773389521 2017 34.2946225694095 2018 41.69501141589952 2019 44.68277868279479 2022 52.6332414580372