Year	% of GDP
1973	14.6753246753247
1974	16.293986636971
1975	20.4465290806754
1976	19.6464135021097
1977	18.4561270801815
1978	25.4510465901418
1979	24.6656096857884
1980	23.288479306342
1981	26.4364144539828
1982	24.0669864656502
1983	23.6769031840957
1984	21.3862919808088
1985	19.8321495327103
1986	16.1089350092566
1987	17.3897250483478
1988	16.8774550308269
1989	18.672939125017
1990	16.4000106377398
1991	20.7935592136321
1992	18.6461085020651
1993	16.866115575315
1994	18.1224119117382
1995	15.0610497971303
1996	14.3065631568365
1997	14.0077308373326
1998	13.4410388180233
1999	13.0976440233483
2000	10.981330297614
2001	8.80591864292306
2002	10.2375640430248
2003	12.7490267127827
2004	15.3412008794103
2005	17.1665588986857
2006	19.0698443546304
2007	21.2088794589037
2008	20.308873614558
2009	20.5991360069021
2010	19.1262239597827
2011	22.3784840978544
2012	19.1881101723003
2013	20.8479299224415
2014	21.1633949819555
2015	20.4469814596428
2016	21.050204295964
2017	20.9149365538528
2018	20.886251196365
2019	20.7711169917441
2020	21.7668752349594
2021	20.635341340872
2022	21.1457073950196
2023	21.4176786162591