Year	% of GDP
1960	29.468937101653815
1961	29.719156651089108
1962	29.528358748845505
1963	36.61316552546469
1964	31.03070174535592
1965	34.14884100649754
1966	30.783238333778417
1967	31.8316465647851
1968	36.035477414252306
1969	38.980457019348165
1970	40.652631336584065
1971	37.026814866025646
1972	34.97409238161593
1973	36.13139785185962
1974	42.41185743755923
1975	36.61135169584211
1976	38.784164718144986
1977	42.39005656533487
1978	39.84685269101456
1979	40.66563249038745
1980	44.73697071848912
1981	38.300158976178466
1982	34.41101074356297
1983	32.02235738158394
1984	27.325176892844766
1985	21.919737136836766
1986	20.966418293552657
1987	19.379815287567258
1988	17.98782021688554
1989	26.72401643614524
1990	27.626008357894293
1991	25.396546987813622
1992	24.876208483457653
1993	18.44663316833511
1994	28.85723684509569
1995	26.231566354769637
1996	26.997696960865557
1997	29.834676319448043
1998	28.022299259632565
1999	25.238144549154683
2000	31.438745760646864
2001	32.875380634628634
2002	29.539548641580073
2003	27.839150270871432
2004	25.93723819095205
2005	28.682944068085607
2006	32.16563843610004
2007	37.14019975557935
2008	39.426101434469665
2009	28.61851036622845
2010	32.75833648103376
2011	36.94633887888034
2012	35.77840394355128
2013	33.099485262006866
2014	34.897515274845794
2015	31.365808478585617
2016	25.169797029394182
2017	22.241892414465
2018	23.67380622114369
2019	26.89085712133484
2020	21.22225202167739
2021	25.110281557271
2022	30.835805461916582
2023	27.94839386385018