Year	% of GDP
1996	3.50608992576599
1999	4.22040987014771
2000	3.90146005153656
2001	3.7711249589920053
2002	3.786689996719365
2003	3.86901998519897
2004	3.70040500164032
2005	3.93859004974365
2006	3.91671991348267
2007	3.83096492290497
2008	4.099474906921385
2009	4.3888897895813
2010	3.90093207359314
2011	3.8747700452804548
2012	4.08500003814697
2013	4.12252616882324
2014	4.25138568878174
2015	4.26428484916687
2016	4.17199993133545
2017	4.07527017593384
2018	3.99699997901917
2019	3.8970000743866
2020	4.34224486351013
2021	3.88100004196167
2022	3.64703989028931