Year % of GDP 2006 25.355402497924235 2007 24.091648406793343 2008 25.360072861197715 2009 22.514344976195485 2010 21.554828888042934 2011 23.864848075336525 2012 23.281262076512473 2013 23.400992261280187 2014 23.472153569616854 2015 22.322911294617406 2016 22.019332933567334 2017 22.008093161697907 2018 23.3627178626361 2019 24.87421272369721 2020 24.030309023525152 2021 25.560944288773076 2022 27.81462491118457