Year	% of GDP
1983	4.45373010635376
1984	4.08681011199951
1985	3.96308994293213
1986	3.48357009887695
1987	3.05735993385315
1988	3.13144993782043
1989	3.51567006111145
1990	3.17034006118774
1991	3.50989007949829
1995	5.89866018295288
1996	6.0549201965332
1997	6.33788013458252
1999	5.09095001220703
2000	5.33945989608765
2001	4.83824014663696
2002	4.44086980819702
2003	5.544934988021851
2004	5.13917994499207
2005	5.548470020294185
2006	6.093516111373905
2007	3.902654886245725
2008	6.051079988479614
2009	6.47135019302368
2010	6.11837005615234
2011	6.52042007446289
2012	5.155359983444216
2013	4.96444010734558
2014	5.618129968643185
2015	5.14418983459473
2016	5.15763998031616
2017	4.96131992340088
2018	4.88100004196167
2019	4.87746000289917
2020	4.8562200069427455
2021	4.98070502281189