Year	% of GDP
1974	72.70086384832963
1975	66.63297718740976
1976	75.39603538010864
1977	78.54641809406642
1978	80.53995289001631
1979	80.92371783306818
1980	81.6972407519709
1981	79.42977939183695
1982	72.11659635088489
1983	69.2893807161585
1989	26.60342665187958
1990	24.541607898448518
1991	26.505082095387024
1992	9.96331621423331
1993	2.9996985227615314
1994	2.6749959955149767
1995	3.889716840536513
1996	-0.7070567031748233
1997	-1.3087987559932617
1998	-6.932153392330384
1999	7.413107605489292
2000	31.53703837070838
2001	30.33174118133334
2002	25.49569150630631
2003	33.32003610550554
2004	37.00852324925903
2005	42.87927769643987
2006	46.5082465515917
2007	39.95503426605629
2008	50.68462930007501
2009	36.993716090267945
2010	39.4459925093633
2011	39.475603999485045
2012	34.6815133400813
2013	25.146870444807632
2014	33.933192082571686
2015	14.527404657441782
2016	11.835545466090933
2017	13.969734351582606
2018	9.968396290852262
2019	7.382422718257409
2020	4.421219173523656
2021	13.214709241589597
2022	25.804747887772088
2023	16.506656637977404