Year	% of GDP
1960	10.351336455071738
1961	11.620520897700942
1962	11.473041928947225
1963	12.129133173240918
1964	12.66559362944475
1965	12.595137452201225
1966	12.519821496120768
1967	12.635145069268972
1968	12.40564129763086
1969	12.478559714275816
1970	12.564947890717997
1971	13.871375110188108
1972	14.386913021251734
1973	13.944540522469687
1974	14.293605441207092
1975	15.221427556867924
1976	15.991797094159299
1977	15.981725058234783
1978	16.786834704805187
1979	18.052069406112537
1980	18.220525906548147
1981	15.737434344282894
1982	14.555033636071585
1983	15.100530491671435
1984	15.644720690456895
1985	15.751329578950665
1986	15.390910753660181
1987	14.990085522472931
1988	15.619935564077373
1989	16.97146843223239
1990	18.159851077148822
1991	13.192916448947663
1992	12.110029028355893
1993	12.77178123866699
1994	13.297878288992763
1995	12.926688537662564
1996	13.062927664064519
1997	12.623995050026018
1998	12.730242998719344
1999	13.287109920661564
2000	13.727826178613839
2001	14.296312376546497
2002	14.689064251655928
2003	14.49746543730078
2004	13.976407300257376
2005	13.512881192496714
2006	13.16504105617389
2007	12.805268665161615
2008	13.57747473586824
2009	15.748128117713108
2010	16.620710644723367
2011	16.961836219769598
2012	16.79004770356417
2013	17.13018914041981
2014	17.011303249877432
2015	16.960241913899903
2016	16.708679079054946
2017	16.358174647661297
2018	16.195733892832937
2019	16.751200979279776
2020	17.70473206916353
2021	16.5307979779817
2022	15.395878728363593
2023	14.87349345982301