Year	% of GDP
1960	52.431794568943324
1961	33.015477634018794
1962	28.851646765577836
1963	30.582376626087832
1964	32.68330977513244
1965	34.31103441613361
1966	34.77917387574297
1967	29.564000600125134
1968	27.861994324867684
1969	29.700991351184346
1970	32.15011341865356
1971	31.70098591605008
1972	32.05039822087341
1973	33.59701396931825
1974	32.718486241308966
1975	31.51870307003049
1976	30.59163247390678
1977	30.003543621522198
1978	30.99701233669122
1979	31.794273789805715
1980	31.59495424558817
1981	30.93268195750313
1982	30.25512663374447
1983	29.592972080633732
1984	29.21373317482148
1985	29.193862016089945
1986	29.5223249541092
1987	30.324258423175714
1988	31.85758840454791
1989	32.28782323171821
1990	33.018861449853254
1991	33.00606209730894
1992	32.24960348164205
1993	31.709483443425096
1994	30.95824812566756
1995	31.047311598636156
1996	31.59039363363903
1997	30.572401478624737
1998	29.309969586172958
1999	28.646478046796325
2000	28.658639087616983
2001	28.09431762278935
2002	27.527240959187218
2003	28.054443605584527
2004	28.47703280763873
2005	29.08825424736098
2006	29.45108010642659
2007	29.40420137541155
2008	30.29781680275057
2009	31.618211013886295
2010	31.56876362698158
2011	32.23321761427782
2012	33.160614942137066
2013	34.36633107689514
2014	34.608645892951294
2015	34.19986792981384
2016	33.68910873918432
2017	34.129992313039544
2018	34.93063591731232
2019	34.944337439081394
2020	34.87907201837908
2021	35.16506709523684
2022	35.36848529388523