Year	% of GDP
1960	50.20242914979757
1961	58.03921568627452
1962	62.207357859531776
1963	65.77380952380952
1964	64.95956873315365
1965	68.87755102040816
1966	67.4074074074074
1967	68.74557051736357
1968	67.21348826611985
1969	65.15280135823429
1970	61.099796334012225
1971	67.64168190127971
1972	85.20900321543408
1973	82.04518430439953
1974	90.73170731707317
1975	118.44484629294756
1976	156.54205607476635
1977	124.33075550267698
1978	107.85159620362381
1979	145.72247237003683
1980	131.09193692353466
1981	136.29921259842519
2007	165.04894883337195
2008	161.12659059339077
2009	158.89473758563747
2010	150.10243548733274
2011	149.79660669915336
2012	150.2085753584383
2013	133.36548975517047
2014	126.29247536057804
2015	129.72277308286698
2016	136.31524764472982
2017	146.36677121750512
2018	144.434955465602
2019	140.5166334916798
2020	140.7854283031255
2021	138.56203203132787
2022	145.74346852166622