Year	% of GDP
1970	19.98221534517159
1971	20.03328755690844
1972	20.03672405801746
1973	21.11194759527546
1974	24.13538914829844
1975	22.512467659030776
1976	23.560496492095094
1977	24.0192946937038
1978	23.807037797680866
1979	24.33546480376586
1980	24.849706655368827
1981	26.094642458878543
1982	26.020365444704872
1983	26.248558834791336
1984	27.959377548520138
1985	28.184316926847774
1986	25.2657048336077
1987	24.61944833774747
1988	24.648931695160027
1989	25.79822586378347
1990	25.28523634988738
1991	24.738538318594724
1992	27.08911216405438
1993	26.279600043164542
1994	27.2030877662432
1995	28.454893662477588
1996	28.712460523615146
1997	30.38960469305143
1998	30.634114365528543
1999	31.118746822245136
2000	34.486040273546585
2001	34.521483540261386
2002	33.69356149097172
2003	33.06743179979709
2004	34.375562466438
2005	35.63022554443218
2006	37.516281197627194
2007	37.78692547871832
2008	38.8479877631647
2009	34.95103420084209
2010	38.126694692691956
2011	40.51405318400746
2012	41.08505092051505
2013	40.95566023949025
2014	41.26152329940302
2015	42.0851589198055
2016	42.1025752316011
2017	43.65637741860625
2018	45.11866031947125
2019	45.0419095786687
2020	42.322489865307595
2021	45.980858290130314
2022	50.43190988204881
2023	47.17447859244432