Year	% of GDP
1996	2.1446099281311
1997	2.18831992149353
1998	2.21613001823425
1999	2.34779000282288
2000	2.40982007980347
2001	2.40437006950378
2002	2.4362199306488
2003	2.47461009025574
2004	2.43518996238708
2005	2.44193005561829
2006	2.47232007980347
2007	2.4604799747467
2008	2.61512994766235
2009	2.74266004562378
2010	2.73024010658264
2011	2.80555009841919
2012	2.88165998458862
2013	2.8359899520874
2014	2.87784004211426
2015	2.9337899684906
2016	2.94039011001587
2017	3.04710006713867
2018	3.11011004447937
2019	3.16778993606567
2020	3.12979006767273
2021	3.14246010780334