Year	% of GDP
1970	29.572897101140725
1971	28.000179708116157
1972	22.752124951826023
1973	20.889878401237976
1974	16.81530719968559
1975	15.397444705130054
1976	16.258740313326346
1977	19.780497730651135
1978	21.695085679918407
1979	21.8370594855359
1980	28.180961357210194
1981	25.745693187927106
1982	28.259554861734948
1983	22.661926266101904
1984	37.72455649180632
1985	35.100140437499654
1986	23.77964046427536
1987	35.21446273114315
1988	44.70130229531575
1989	38.981933132713124
1990	29.92581867705863
1991	30.989374351109888
1992	48.396739136738134
1993	30.85746905107166
1994	21.77070415272611
1995	22.301054776458194
1996	23.05207551104573
1997	53.927836217610604
1998	30.608975559721564
1999	21.94454819144596
2000	20.060751922281618
2001	18.882171373937936
2002	23.596123255701286
2003	27.647744929705905
2004	20.961630895404976
2005	18.25276134934733
2006	20.079098792975795
2007	24.272638164621092
2008	17.33902596687961
2009	18.36487404999222
2010	19.493614917360695
2011	15.84568245454526
2012	19.35419091179916
2013	19.230234193123998
2014	20.13993641471363
2015	14.974541430171303
2016	18.130944733125702
2017	18.120725953748625
2018	19.1670199875353
2019	18.597428304722584
2020	21.961408508318982
2021	19.370837555250915
2022	21.457818164133375
2023	24.0282495917156