Year	% of GDP
2000	3.927059853470111
2001	4.1090285551340795
2002	4.005941869096533
2003	4.066369143739318
2004	3.993596240905096
2005	3.964162972229114
2006	3.925233124405756
2007	3.8044772444143575
2008	3.8020084256871813
2009	3.8433059372047667
2010	3.699895171185467
2011	3.6841338134485655
2012	3.7367083071813414
2013	3.9450911758102323
2014	3.8463004976120567
2015	3.913116866137863
2016	3.874265523537909
2017	3.5688872048735343
2018	3.471043582045445
2019	3.537373178920724
2020	3.7991486492710234
2021	3.9178140567354536