Year	% of GDP
1970	57.521972864578885
1971	66.64959016393492
1972	58.40817816721474
1973	70.93621399177
1974	92.61371989767441
1975	94.90224693656792
1976	93.28247186725193
1977	97.03151138575022
1978	88.32692033632644
1979	93.61702127659575
1980	95.04968073706364
1981	93.91199358415157
1982	92.78944843370344
1983	57.55249187861546
1984	55.32784913647991
1985	54.96143034146509
1986	42.93884793884823
1987	49.3494318181821
1988	42.499562581694526
1989	44.83508837264022
1990	15.126281816312535
1991	3.7911409699516625
1992	1.9211456331596999
1993	0.5446966844698332
1994	0.09958236192188531
1995	0.020999232183835464
1996	0.026888482909031126
1997	106.18816728973101
1998	132.24316052096108
1999	138.31460240355182
2000	125.33659564090397
2001	126.78025670291098
2002	119.76204799075359
2003	154.23452326026558
2004	120.23397712167572
2005	115.74254030864199
2006	89.65052048587194
2007	74.09285310549804
2008	81.05554326658347
2009	78.6873788189898
2010	73.4974796202443
2011	72.17132822336548
2012	73.60868459128123
2013	67.41001840956719
2014	68.98248685690363
2015	69.59176859831146
2016	54.588320188676995
2017	59.780912392315685
2018	65.80179177010834
2019	68.98993842028058
2020	57.74231616853554
2021	61.50326831172178