Year	% of GDP
1960	78.49672666048939
1961	83.60831656606305
1962	79.86646713479912
1963	73.62616284645631
1964	71.41655450874832
1965	68.54439905396688
1966	75.89273211034869
1967	75.23747980613894
1968	78.00157261235105
1969	74.821217266039
1970	71.89041807322774
1971	71.45534275327012
1972	68.63688572936391
1973	70.80359087279503
1974	71.02455546147333
1975	71.46141281332554
1976	63.93850148837799
1977	66.94503575132362
1978	70.25599776176821
1979	66.07182472424594
1980	65.66331752762518
1981	66.57871389231354
1982	68.45233539960715
1983	71.52535196358633
1984	67.57954441356988
1985	68.46056491974917
1986	67.46400436783402
1987	63.51850444562657
1988	62.72195950874965
1989	62.01361269424741
1990	64.29155486136142
1991	66.27900417026484
1992	66.62297275531822
1993	66.00390973244112
1994	67.46353407456103
1995	70.19032963183398
1996	69.68439271076441
1997	69.15714490675363
1998	70.46000455631714
1999	69.85565490308302
2000	68.00869681592762
2001	69.81838439774074
2002	68.66197861626203
2003	68.5230557927346
2004	68.93182651719998
2005	66.72355492608656
2006	66.55318684724992
2007	67.92857333246101
2008	68.78523818922194
2009	70.28057942015796
2010	70.23489978224792
2011	72.00668930899542
2012	73.64926592700554
2013	75.36950996232997
2014	75.9725752819131
2015	76.0692663075204
2016	76.20956894689549
2017	76.92185060146014
2018	78.21909841508992
2019	80.2509435779407
2020	79.08885328573622
2021	77.65467108651302
2022	80.67793955359367
2023	83.48733405363772