Year	% of GDP
1960	64.75770925110133
1961	65.64673157162726
1962	65.25529265255294
1963	64.37768240343348
1964	63.41948310139165
1965	62.7669452181987
1966	62.017336485421595
1967	61.43465909090909
1968	61.079365079365076
1969	61.01598173515982
1970	62.54452926208651
1971	67.6701030927835
1972	67.27775856105154
1973	69.06593406593406
1974	71.56111335215812
1975	69.96587030716724
1976	67.4927113702624
1977	69.37423080564233
1978	70.06131866742524
1979	67.22220222454195
1980	72.70485221580698
1981	69.07353499557018
1982	69.36772078305789
1983	71.66506062218643
1984	71.40895845361433
1985	65.71725719821629
1986	61.54998208667699
1987	76.10071478375149
1988	71.10694953356368
1989	74.9503241850065
1990	79.54147990562261
1991	83.02056332721754
1992	82.4584129039811
1993	81.9872533329808
1994	81.6150281777169
1995	81.09734623813203
1996	78.8441491588656
1997	80.29648212751812
1998	75.18209916884551
1999	78.70418865078834
2000	78.87383509915583
2001	77.48215752449715
2002	76.66456647591401
2003	77.90411825575293
2004	76.59461692886015
2005	75.58620761575287
2006	74.62450704279526
2007	75.47026747398748
2008	74.67665833759605
2009	77.2303245279834
2010	77.55368450707942
2011	76.31344257378792
2012	76.03619188273727
2013	75.32181900679042
2014	74.38775440289984
2015	73.82678675273607
2016	74.14156436202116
2017	72.9891059566293
2018	70.69058133302279
2019	72.16678422394686
2020	71.76156462981186
2021	68.19058146464057
2022	68.96178477150205
2023	73.0186477008107