Year	% of GDP
1974	8.149224065438423
1975	9.146693618250072
1976	8.421262193908023
1977	14.214062647866
1978	18.304946548287734
1979	14.893965983828378
1980	14.541009702850213
1981	17.45894086400347
1982	19.467426442386717
1983	21.700168638215636
1984	25.46322116874264
1985	26.976510196973802
1986	39.26707687514604
1987	38.56125773586857
1988	45.519686784368766
1989	39.235758948704024
1990	37.47552421250588
1991	39.40522126661455
1992	38.63571386647102
1993	41.687532408803136
1994	44.972918468684924
1995	44.56746199701938
1996	42.57376403715514
1997	42.72730983542827
1998	47.055865781710914
1999	43.58042836988585
2000	35.30581413860675
2001	38.82298633826365
2002	38.24441176419709
2003	34.63025727951884
2004	31.019377569101803
2005	27.493067367233554
2006	26.117372076945866
2007	28.0055259094726
2008	25.251128792669835
2009	33.685855758328906
2010	32.50266452648475
2011	27.356821010170364
2012	28.28036469844254
2013	31.245580635187064
2014	32.83602448346535
2015	39.430449994375074
2016	42.975287020574044
2017	40.85102252846659
2018	37.337489276366476
2019	38.177598582002794
2020	41.45035456621413
2021	37.62864514250383
2022	32.52018266681983
2023	38.75335490312608