Year	% of GDP
1960	7.562203847230719
1961	8.216861635693391
1962	10.044808147870388
1963	11.572864705843607
1964	13.650713124932604
1965	14.28294449074421
1966	15.946005671665219
1967	17.497577912867904
1968	16.952678997987153
1969	15.859029404248252
1970	13.47427543730493
1971	15.608064494787115
1972	15.366220200563564
1973	12.941892563934006
1974	10.24289846496632
1975	11.416963254392002
1976	12.075060044685438
1977	13.917749121574204
1978	15.589422016663423
1979	15.510587943125607
1980	16.207060000417965
1981	9.599997050998574
1982	10.73194180107428
1983	12.094835806473824
1984	13.197501985004532
1985	14.005465994449864
1986	17.225398592417
1987	16.924697350344395
1988	16.938187147528154
1989	17.30259132401182
1990	15.499470112135713
1991	15.162915293974466
1992	16.504440545223655
1993	15.422483581017909
1994	15.040166153068764
1995	13.066414429528443
1996	11.981056776872489
1997	12.527491009525054
1998	12.63356397330625
1999	17.672846386721282
2000	14.535110026538442
2001	14.932945205992887
2002	15.24910218511891
2003	15.468959603012925
2004	15.602408478704128
2005	15.203132515748147
2006	14.790247764017332
2007	17.606197182223315
2008	20.650609263299003
2009	19.764282059731883
2010	16.38354821362751
2011	14.717476642330821
2012	14.016179321790451
2013	14.031055382082949
2014	15.248690701840683
2015	15.435196030972834
2016	16.673559324578065
2017	16.466138048716253
2018	15.670460766143146
2019	15.727178744548537
2020	16.867479597770444
2021	17.35775305834633
2022	17.575484499268434