Year	% of GDP
1960	36.27999262196159
1961	37.81154682892167
1962	40.42751673170246
1963	43.42499149875299
1964	44.73757580856227
1965	46.5367212703759
1966	46.47710354141319
1967	47.33957147096412
1968	47.97511523883559
1969	48.52466302956364
1970	51.833671001084056
1971	54.18760138268567
1972	59.538022140872016
1973	63.02632890496499
1974	62.246976740415725
1976	60.62958695154096
1977	62.58970995897033
1978	65.4502962767322
1981	63.846471730775505
1982	63.67452691390707
1983	65.4944285311168
1984	67.39151303941436
1985	69.44510941191129
1986	78.6228284544744
1987	85.10546096989538
1988	90.23400441504289
1989	91.21896417513221
1990	90.61862072800652
1991	90.00814282576957
1992	89.47925828122266
1993	91.32217601077267
1994	92.75967685833479
1995	93.96698918301908
1996	90.34280921641971
1997	90.85756767989359
1998	90.0957091206612
1999	91.89849288630246
2000	92.76643427187226
2001	79.87799354634423
2002	79.30042024257321
2003	80.74430599909857
2004	82.53804334781216
2005	85.64129717639621
2006	89.27218178094927
2007	93.40025863866204
2008	96.30312169576783
2009	93.66998260056128
2010	91.68811987487693
2011	90.48461685354108
2012	88.54309283781653
2013	87.17974397745871
2014	85.52882787478852
2015	83.7303104865367
2016	84.08364737442118
2017	82.62057170602692
2018	82.37411236534324
2019	82.30702527891135
2020	88.0700595703979
2021	84.26426514583741
2022	81.42341266466306
2023	77.71508971009159