Year	% of GDP
1969	59.959160943011
1970	64.708063021316
1971	38.5071503313568
1972	40.9037062108648
1973	55.1050827246982
1974	41.8722327640734
1975	49.3290841999329
1976	41.2552561906245
1977	40.1963534361851
1978	37.1576165305142
1979	30.5667634175501
1980	30.1655058788287
1981	31.0830704521556
1982	30.6088829753532
1983	29.4148199445983
1984	26.206457302435
1985	25.522472767806
1986	27.3852376137513
1987	29.0530592871429
1988	30.2317328507044
1989	30.2808621815807
1990	35.4516740366393
1991	37.3944123735198
1992	39.092955934384
1993	45.2781371280724
1994	48.837066584842
1995	51.8314377369495
1996	54.1091715156553
1997	39.2928544807939
1998	40.499208279552
1999	39.9733467640655
2000	43.4744387089904
2001	45.4673875277566
2002	44.2014331461206
2003	44.5068764803965
2004	46.3773109420019
2005	48.8704987698501
2006	55.1466719122673
2007	58.2821797004051
2008	61.8791563746912
2009	65.8357677249759
2010	65.7009587477317
2011	66.9035004698896
2012	64.3594164475538
2013	65.8581152234556
2014	61.7594566562178
2015	57.6444367743041
2016	55.3914019742701
2017	51.8387780323944
2018	49.6772153346597
2019	47.1723381236459
2020	60.5638213044526
2021	52.0725995850082
2022	45.7530681724064
2023	42.1369031084144