Year	% of GDP
1970	57.38949053187109
1971	62.6368346853305
1972	61.533093455142364
1973	56.74325107805883
1974	54.407179940926184
1975	68.78115624592851
1976	67.50546030792596
1977	71.43502518109119
1978	69.69966045599011
1979	69.96555639600842
1980	71.55013443690838
1981	74.27220742856872
1982	72.70610890874852
1983	71.38860493236837
1984	69.5812344723611
1985	70.65956796876091
1986	67.20707739502849
1987	68.87800862096391
1988	66.58868260362087
1989	63.54353989882506
1990	63.728023705378604
1991	63.203633063769985
1992	62.15085436231638
1993	60.278134128760954
1994	59.511341605484645
1995	60.13845914689391
1996	60.017681441482694
1997	58.307657812661205
1998	58.85019252642074
1999	56.36111947779804
2000	54.563409326892376
2001	56.15201561447793
2002	57.537894983722026
2003	57.97228283657398
2004	56.45283808406334
2005	54.91848250912306
2006	51.39504863856068
2007	48.81828370898251
2008	48.64431772417186
2009	51.499634718857976
2010	50.16896913322649
2011	50.46740929511243
2012	50.61095203957818
2013	49.62147177048731
2014	48.77008352866529
2015	48.50259235366119
2016	48.308228633654515
2017	49.409267348617774
2018	50.37654127920743
2019	50.832125223138455
2020	48.685552677413604
2021	47.85626096760044
2022	48.211487314424275
2023	51.20923410781103