Year	% of GDP
1960	32.34709724480694
1961	29.97335642021971
1962	45.75337700864637
1963	39.71433125655476
1964	44.278650692238664
1965	41.24162094264691
1966	39.930162114271866
1967	43.26159792974959
1968	41.58989775341875
1969	41.74042159697785
1970	41.47177225260638
1971	42.20243574623125
1972	41.44430351751756
1973	38.714483673327365
1974	39.12885653092244
1975	40.348724032565705
1976	41.51516696791805
1977	41.092072186385586
1978	42.81938664076696
1979	44.16091515405261
1980	40.39216130279042
1981	41.759968423497575
1982	42.419025579556596
1983	43.441550368821595
1984	43.328506253277865
1985	41.51539060257752
1986	40.644701314609364
1987	41.246412566391605
1988	44.780318305263854
1989	48.36730926609516
1990	60.496605942737744
1991	60.54971303453538
1992	68.35745136816907
1993	73.33788003221255
1994	56.894342472427184
1995	58.121416370277935
1996	60.31887979262657
1997	60.60571281174314
1998	61.118593044275926
1999	60.203656628248524
2000	58.25186124996501
2001	57.713692246303275
2002	57.34814547329691
2003	56.357828138046465
2004	54.92047110788841
2005	56.07589160861601
2006	57.13812719959331
2007	57.726236213399915
2008	56.80486177239115
2009	59.14505921468244
2010	57.61292196784896
2011	57.56816931885746
2012	58.73360250355157
2013	59.67875798889606
2014	61.25097400861367
2015	62.30786717073171
2016	63.203695839490294
2017	63.338672863431796
2018	62.65335035231301
2019	63.06784924641341
2020	61.448444645623155
2021	56.91338418435928
2022	58.08723107440682
2023	58.88018397655558