Year	% of GDP
1967	57.47422680412371
1968	32.02033036848793
1969	28.000000000000004
1970	32.20973782771536
1971	37.88968824940048
1972	54.54545454545454
1973	61.15702479338842
1974	43.41248900615655
1975	47.51451912655608
1976	47.7779147348185
1977	54.36205593979131
1978	61.61647526503167
1979	53.64094610314075
1980	52.70799574076763
1981	50.40481990967096
1982	58.00950187746218
1983	57.93277338343638
1984	57.32055531852046
1985	59.715271266971584
1986	69.66436109431457
1987	61.373771771118456
1988	66.23352457745386
1989	62.7261655011655
1990	68.0206548109239
1991	76.65565951201614
1992	74.47732826500135
1993	77.46898159713548
1994	76.04332333460833
1995	76.5408603568804
1996	72.26052465825715
1997	70.90894162082273
1998	73.76254774482439
1999	67.68226723893834
2000	56.84637347428354
2001	60.42169995131359
2002	59.81154902696677
2003	59.83999010935206
2004	59.590803381549215
2005	51.356208267912876
2006	48.340285874932604
2007	49.434359345943875
2008	42.223153741052904
2009	55.80370218510229
2010	45.7279543817527
2011	46.145688607883805
2012	46.41833810888253
2013	48.12610611791651
2014	50.77687499298597
2015	60.70188307676041
2016	64.13819365112334
2017	63.67893880229274
2018	56.36198271941792
2019	60.626886477610356
2020	70.14308625825556
2021	66.45432981759708