Year	% of GDP
2000	2.2660919570132703
2001	2.2891467319306984
2002	2.3931239669099846
2003	2.430983548664043
2004	2.4188484237751435
2005	2.4647715539133643
2006	2.494354695891622
2007	2.5249722147459686
2008	2.692769278583365
2009	2.9781209317449235
2010	2.8716311523671756
2011	2.8535990495707613
2012	2.91453181671155
2013	3.0226320264821878
2014	3.100047113666822
2015	3.1805359911836213
2016	3.163260233566385
2017	3.1393134547931663
2018	3.1467665645900627
2019	3.2335847339617305
2020	3.531247642808166
2021	3.4192032370173173