Year % of GDP 2000 10.618075717525386 2001 8.970464568058837 2002 7.804445788791482 2003 6.866071648855076 2004 7.474431225213943 2005 7.1364662922806685 2006 9.229308379778947 2007 9.996952811317119 2008 9.346413916162804 2009 9.166327573005558 2010 8.564633573996781 2011 6.405792191453406 2012 7.12282485534938 2013 5.584593381200369 2014 4.571799013937623 2015 3.040894239869218 2016 3.1332375692974668 2017 2.3889187417610867 2018 2.9124981834518273 2019 21.272050690812293 2020 36.66621474552709 2021 63.56655709425675 2022 55.678705972035914