Year	% of GDP
1970	36.648058849595785
1971	35.29981921979067
1972	33.36399078341014
1973	45.68589075108628
1974	24.697339252085015
1975	23.486159169550174
1976	16.45111945487415
1977	23.50043465662127
1978	36.4614206231454
1979	33.912520943220606
1980	26.144658261446587
1981	26.736541210100047
1982	27.344604256034987
1983	29.83053470556372
1984	29.867626269117082
1985	32.3025658113962
1986	47.365741919063375
1987	51.60701609469379
1988	47.797916065022946
1989	54.92324971920629
1990	49.7408367271381
1991	44.48377217309265
1992	49.62078043046492
1993	48.37825099945128
1994	43.02587296637717
1995	41.2892089528119
1996	39.149718483932986
1997	33.65555948666817
1998	46.60631379962193
1999	42.787182166492514
2000	32.175433734271934
2001	36.06699921827178
2002	37.315080514190655
2003	37.31607346574737
2004	35.147327708484035
2005	30.03240112076884
2006	30.120776913379206
2007	29.522446989295958
2008	27.07906696528723
2009	35.05637096622728
2010	30.64261978348547
2011	27.573527467895893
2012	29.44516849145653
2013	32.283409757528645
2014	34.49002649647139
2015	37.8384101109841
2016	40.43922373129007
2017	39.969743800301906
2018	38.61440857835213
2019	37.67371712973733
2020	41.97974646643436
2021	32.88879887945531
2022	29.171084174368595
2023	32.265019347451926