Year	% of GDP
1960	57.58729079633751
1961	36.02740107941079
1962	27.44324376188644
1963	33.3585084719193
1964	34.94137547961072
1965	39.20482425456678
1966	40.79316681179362
1967	32.952370139417795
1968	31.815854288746
1969	31.824025355679392
1970	36.793418815764525
1971	35.11449786153878
1972	34.5977764749829
1973	36.78194802519602
1974	36.51390599527274
1975	33.20054457655306
1976	32.10952628616382
1977	31.7841069559686
1978	32.5435359264766
1979	33.950878764468904
1980	33.2097449552458
1981	32.392004006802
1982	31.491050841229196
1983	30.698906602787897
1984	30.59708743767325
1985	30.98416088794897
1986	30.763546942203984
1987	31.224445511394993
1988	33.34236577357268
1989	34.04443969018594
1990	34.4925879226016
1991	34.30191748613903
1992	33.24049111016947
1993	32.41138422003543
1994	31.730576632508033
1995	32.20356153030257
1996	32.80365812901464
1997	31.811296871458662
1998	29.592635573454956
1999	28.57991337050349
2000	29.002148954648472
2001	28.557502503786097
2002	27.696061206883382
2003	28.512363989630302
2004	29.407494449431887
2005	29.68000283514978
2006	30.029093527392845
2007	30.599449619095186
2008	31.944668172763247
2009	31.53821504857212
2010	32.885558198540195
2011	33.792151796083495
2012	34.352078978147624
2013	35.40923304637589
2014	35.699133329012454
2015	34.84158563971469
2016	34.31161063623022
2017	34.94493318554744
2018	35.79856592409821
2019	35.39992530544695
2020	35.36543731250269
2021	36.158548407034324
2022	36.512672265639296