Year	% of GDP
1960	44.17979491997388
1961	42.22508750788639
1962	35.98602905403096
1963	40.77748797234041
1964	43.02250946385758
1965	37.95497889211681
1966	38.60339806437927
1967	37.710158909352536
1968	38.224744529563125
1969	37.89215897240512
1970	37.152840360815986
1971	38.7973533941604
1972	32.58449949448671
1973	34.87555330213136
1974	48.495595729591734
1975	51.788094013917274
1976	46.616439582666445
1977	45.75024359936216
1978	45.0089668099546
1979	44.42879988318
1980	49.28710379510469
1981	50.019819814307944
1982	44.29393815492567
1983	37.940335425196096
1984	34.353972393970146
1985	29.96591578875071
1986	22.507486948026703
1987	28.58199192241546
1988	33.93555429892652
1989	37.44082634923371
1990	28.306500549748023
1991	43.53509434691463
1992	40.84574349874252
1993	44.00658205960631
1994	42.14577337119628
1995	41.24115450408825
1996	41.35150590188611
1997	38.77580610795899
1998	35.78399558206362
1999	37.768750253213945
2000	43.58836351083684
2001	41.293261165557716
2002	44.275227281909196
2003	45.449761133139134
2004	51.64889059687846
2005	56.04823927452363
2006	55.87196023460653
2007	54.69178020857921
2008	58.6628455164597
2009	47.517952832995476
2010	49.231619038743474
2011	46.92175855756212
2012	46.3973605448954
2013	47.87999440410455
2014	46.92538053972769
2015	41.000881107271155
2016	36.646633709970516
2017	42.402292899917605
2018	51.59044051204028
2019	48.7849519258391
2020	39.876903980195586
2021	46.98478926015266
2022	54.21095168222121
2023	53.31135532242869