Year	% of GDP
2000	3.046771466494976
2001	3.4570527532982758
2002	3.6723701651191587
2003	3.883889850262873
2004	4.089718195727262
2005	4.042947979431792
2006	4.200338180156704
2007	4.255319259041105
2008	4.141549936085948
2009	4.444379678484378
2010	4.114261982896485
2011	4.0123914142271415
2012	3.933414605919857
2013	4.120427390822109
2014	4.101096140626254
2015	4.2098091787175775
2016	4.134742951200191
2017	3.992614789219383
2018	3.8350080805323628
2019	3.8257829207528498
2020	3.921362554725796
2021	4.013506725222807