Year % of GDP 2000 2.165143717542103 2001 2.2250053403797727 2002 2.0680430608211426 2003 2.124063260786307 2004 2.117367233416916 2005 2.0880307874048416 2006 2.1337157279727648 2007 2.1478443799175264 2008 2.187468964750435 2009 2.4302138148603794 2010 2.293052234909215 2011 2.324339070483507 2012 2.3990060996696974 2013 2.4587726518590225 2014 2.5266807873136448 2015 2.615346309030738 2016 2.552147223979569 2017 2.5585426147270454 2018 2.422449741846625 2019 2.4034553115043673 2020 2.7434872469657203 2021 2.692725880120647