Year	% of GDP
1971	11.421508729286568
1972	11.083889153442264
1973	11.182799708084962
1974	12.739916861665012
1975	12.23497502423493
1976	9.194901563087884
1977	9.029592808733412
1978	10.761074348571267
1979	8.865208223177163
1980	7.970468813345613
1981	6.639706000255534
1982	9.097455937700873
1983	8.672738383377714
1984	7.925103428910862
1985	7.888249519192608
1986	7.180894528931008
1987	7.171789719574995
1988	8.130548032216133
1989	7.835668413337031
1990	7.3760068687021425
1991	7.160406202306964
1992	7.941468231663295
1993	7.426247821344602
1994	8.05454443014877
1995	8.077371805810634
1996	8.275149107031417
1997	8.468579032745975
1998	7.987113986818748
1999	13.16999001916638
2000	13.983857718188458
2001	15.638265720915873
2002	15.642996149736515
2003	15.746638394775536
2004	14.80842934843377
2005	15.670818579834942
2006	15.438350038097312
2007	13.741911297801373
2008	12.249978759910476
2009	12.219120515404763
2010	11.739885327235879
2011	11.733570136844781
2012	10.71215569491786
2013	10.921769896575189
2014	10.3866281769808
2015	10.035670077919871
2016	9.931265640100325
2017	9.620068250247718
2018	9.162461995220639
2019	9.865728440003643
2020	9.68791310326743
2021	9.479767826596193
2022	9.823208666937381
2023	10.06232409383995