Year	% of GDP
1975	11.424665128021335
1976	13.477881959998511
1977	12.20614048613497
1978	10.808108199847288
1979	8.903395804973313
1980	8.47200597405022
1981	9.814226310136865
1982	8.228234612622213
1983	4.261480781143025
1984	4.686919400800559
1985	4.566740514446958
1986	5.153358141390281
1987	6.810080428954423
1988	6.631696467642572
1989	6.7937855539107
1990	6.569757146925408
1991	6.650608489538127
1992	9.035078089461713
1993	9.884530358203559
1994	10.434446570605187
1995	9.00782050388947
1996	8.388874844558899
1997	9.19406838777332
1998	14.706225993293248
1999	14.430994149603011
2000	21.833600401380796
2001	21.405540050336434
2002	19.068678749792582
2003	20.33336148365895
2004	20.08797362900668
2005	22.146820498368438
2006	13.960545029379112
2007	15.42837410080696
2008	14.292367584774098
2009	18.0923669147686
2010	13.915702622326734
2011	13.922229136942951
2012	18.16162223796666
2013	11.702179937222903
2014	12.214942711082564
2015	27.22539852284055
2016	24.854021916881106
2017	26.61492270037397
2018	26.238936145703374
2019	34.27430962382401
2020	28.157460080589853
2021	27.050728025430814
2022	26.873595670187996