Year	% of GDP
1969	29.365170580512633
1970	28.97724477616602
1971	28.64809740341827
1972	29.004961421781072
1973	30.06960122880475
1974	28.440356043310146
1975	25.229706844172657
1976	25.80602721232096
1977	24.266926241613117
1978	22.74988337867205
1979	22.675361671731846
1980	22.666544051731137
1981	22.79384320979186
1982	22.27964164238503
1983	22.829203960199887
1984	25.48894811564562
1985	23.51846446060244
1986	24.004525684879756
1987	23.836156422484528
1988	25.09296413935421
1989	26.47532542353963
1990	25.20853158968442
1991	24.73497261741094
1992	24.07068442285311
1993	24.360776226471128
1994	25.331363591660853
1995	26.344786240276196
1996	27.08740038721411
1997	27.390786162788704
1998	25.637114759952702
1999	26.740319869623047
2000	27.027384107437296
2001	25.144862190224256
2002	23.64018134311262
2003	24.560955555082142
2004	24.944971454141527
2005	25.357024234892073
2006	26.74537691493328
2007	27.055162686207872
2008	24.421119611220092
2009	23.25069365411378
2010	26.016630453359767
2011	26.922581246670706
2012	25.992118827110183
2013	25.993696055744703
2014	26.34327555404771
2015	27.678131896777884
2016	27.59480860216713
2017	29.514916108468682
2018	30.277067367750544
2019	29.01453075388313
2020	26.903484605396898
2021	33.640408472427616
2022	30.503111497477047
2023	30.148932318133916