Year	% of GDP
1970	43.4542322673313
1971	43.5509010114495
1972	43.7615463301578
1973	51.7813393965075
1974	63.7250762264266
1975	58.2546567012368
1976	56.0746281457364
1977	52.3023768492243
1978	49.6155143971473
1979	79.7407561880243
1980	55.4243207387891
1981	46.9803586575315
1982	37.6829596638167
1983	41.7737554363094
1984	39.3769527935263
1985	40.5551272844964
1986	31.386112510293
1987	41.9005494299817
1988	34.8933019491993
1989	45.4281387750377
1990	50.4824718338721
1991	32.5938448581855
1992	32.5670329025425
1993	32.4067391861547
1994	29.7669582159775
1995	31.8501238195579
1996	37.1448237189533
1997	33.2175926848869
1998	24.2822148573417
1999	32.3229406984525
2000	46.4323533403582
2001	39.6608260982704
2002	36.5156563174369
2003	36.1663480509711
2004	39.6932689656436
2005	46.2910962199201
2006	44.5972509306022
2007	41.3713037014859
2008	40.5020271140744
2009	33.9582915199024
2010	35.1702914756151
2011	43.273814289286
2012	40.4418641958152
2013	38.8455213970653
2014	34.348523798708
2015	21.0999447505156
2016	18.0527768334822
2017	21.3537653208209
2018	27.0144782962431
2019	24.9800297060137
2020	18.8866635649826
2021	29.2115792686173
