Year	% of GDP
1970	83.73948136856991
1971	84.3112175484719
1972	85.52163429041644
1973	84.74899610657303
1974	88.68491886191217
1975	90.68712411003533
1976	89.21144534569332
1977	86.39918841502228
1978	85.33018845304088
1979	85.05055163464276
1980	85.97008025602949
1981	86.79934741810209
1982	86.69192100782188
1983	86.57744558066383
1984	86.36556668761133
1985	85.29655004183596
1986	87.229496650102
1987	85.83998596383495
1988	85.45309720503995
1989	84.40579475809868
1990	85.07465683893885
1991	86.63832994323776
1992	88.20065043069462
1993	88.37064518590317
1994	87.95586221611495
1995	80.74814080026296
1996	80.64446649589613
1997	81.69885830261012
1998	82.21894620035432
1999	82.95074613131298
2000	82.78340625317965
2001	83.4299624389797
2002	84.00631505263803
2003	84.18782294684877
2004	84.53286880678523
2005	84.14261600901949
2006	83.50613231451905
2007	83.29626960897609
2008	84.09243222891565
2009	86.27539220636336
2010	85.38307410449019
2011	84.86066919685551
2012	84.92864916278377
2013	84.86005924683431
2014	84.22465549252247
2015	83.64226374689466
2016	83.96099706524004
2017	82.85776299627081
2018	83.20097904385254
2019	83.01690167199288
2020	81.81822069982816
2021	82.22360084743129
2022	82.86008553137474
2023	82.55472453339665