Year	% of GDP
1979	0.44264635583852724
1980	0.6033123593574562
1981	0.5769973067166713
1982	0.7023921466453174
1983	0.5515754010630349
1984	0.5645803341497058
1985	0.5665428853795583
1986	0.7209389382457362
1987	0.8433715025063905
1988	0.8076202353942881
1989	0.5180253038760129
1990	0.561911742897114
1991	0.6325302542749476
1992	0.7140060073529828
1993	0.6266463403362924
1994	0.681930974080887
1995	0.7302209763018592
1996	0.6721945456972958
1997	0.6539071068209267
1998	0.7274967563554975
1999	0.9113452383020338
2000	0.9055152950350089
2001	1.1149887378612127
2002	1.4392288322057027
2003	1.8544790971581848
2004	1.8823004873273685
2005	1.7845800648426817
2006	1.792717384683601
2007	1.641716486658327
2008	1.4381624875536043
2009	1.349419714586553
2010	1.1064063726223494
2011	1.0301820566389501
2012	1.0258730628102812
2013	1.021417438528658
2014	1.0486425534884598
2015	1.4105886086765453
2016	1.5475049500974603
2017	1.5371908805282952
2018	1.7264790142961306
2019	1.8996707324368045
2020	2.4170841040509674
2021	2.6170298233315057
2022	2.536375795360184
2023	2.4308647898268165