Year	% of GDP
1960	85.56715190476166
1961	85.43944122926956
1962	85.22434382238816
1963	81.14111594642401
1964	86.64815586237664
1965	90.07732409169107
1966	88.70429956564911
1967	89.24927990454898
1968	88.14648973717092
1969	92.15641216397263
1970	88.80027293896056
1971	87.21175510832043
1972	85.90409353448561
1973	84.6605841711789
1974	93.47912853546434
1975	86.62013399202064
1976	84.88580920978382
1977	75.6977032315962
1978	70.70013084004562
1979	71.08589545812161
1980	75.0496096569053
1981	80.81822620471719
1982	83.224651760602
1983	82.30646773496598
1984	90.68793494400123
1985	88.55881110859414
1986	77.7749317680766
1987	81.50395243263021
1988	70.73173518630114
1989	77.31388476603183
1990	73.25957761915568
1991	74.5683622454814
1992	76.77884232875306
1993	76.2868524287861
1994	74.80913863974521
1995	74.40801044628594
1996	71.46912151043973
1997	71.92587533260671
1998	72.50857902462204
1999	72.88775578094449
2000	72.17917221223897
2001	73.160619655153
2002	73.72610234274451
2003	74.4672488353696
2004	76.47956775128907
2005	72.40990993189507
2006	72.07606544070153
2007	73.24334776738229
2008	69.76398668092284
2009	72.73744423322253
2010	71.45601034564865
2011	71.66771324893735
2012	68.46937734081035
2013	67.32831739065949
2014	64.80068598892771
2015	67.33630661271121
2016	69.33036415540379
2017	71.49330905711435
2018	70.11449281079946
2019	68.78322539470003
2020	71.23497898284083
2021	72.04433279960953