Year	% of GDP
1970	19.11025946895257
1971	19.650283749876156
1972	21.337763833165035
1973	20.940400178589233
1974	21.050783749921127
1975	15.982884847698656
1976	13.65929258810035
1977	14.434696986541015
1978	15.761510424911407
1979	21.196686929492266
1980	21.455259334954174
1981	20.330652140607988
1982	20.68364778969891
1983	24.551395699529206
1984	29.17955371412252
1985	29.24231283676257
1986	25.994885831644922
1987	27.338564531981703
1988	27.636670797274142
1989	29.46519060486735
1990	29.16917753078041
1991	26.547558876518984
1992	24.458670650222665
1993	23.60014829021285
1994	25.133565929522472
1995	26.769731873785176
1996	26.548464879622436
1997	27.15414474759154
1998	27.331627227376238
1999	26.481974724695107
2000	28.20462059389035
2001	27.437326113526534
2002	27.073362232597702
2003	27.36719189789173
2004	27.667051555251938
2005	27.08416754595368
2006	30.35740444110019
2007	31.19418457133732
2008	31.26107907838684
2009	27.293742718078352
2010	30.069308924939296
2011	34.4548615994609
2012	37.77801482105569
2013	39.60650497296155
2014	40.21596800267034
2015	40.61511544627625
2016	40.210823635828554
2017	42.72426639807732
2018	43.445719026487644
2019	43.50842184583231
2020	37.04677423882609
2021	41.401715074734206
2022	49.598968493998186
2023	47.441434672103256