Year % of GDP 2000 1.0471224887500816 2001 1.0450210620951226 2002 1.1554362404353493 2003 1.2747192433064818 2004 1.2988877243745613 2005 1.351103631213148 2006 1.3952123098282634 2007 1.452718956107826 2008 1.676122778211521 2009 2.0137894016976383 2010 2.0036417892666263 2011 2.1238170667228253 2012 2.320529424534943 2013 2.4558021091723377 2014 2.582148937145811 2015 2.760082834833329 2016 2.7010146365196754 2017 2.6839883093107453 2018 2.7342568479069054 2019 2.7964344961994425 2020 2.9160196344648197 2021 2.842939717041054