Year	% of GDP
1960	35.82652190212203
1961	33.08913402100311
1962	31.755754660018173
1963	27.77733759820065
1964	26.482012453530203
1965	28.048980055481472
1966	27.95127498528856
1967	31.062705096957313
1968	32.22522153502277
1969	28.23393431744873
1970	22.189464586874983
1971	25.056227208084366
1972	24.837615641249737
1973	25.66399819497395
1974	26.456757985286767
2001	76.67128283410088
2002	78.08868203323985
2003	84.2088644964519
2004	83.78840587340703
2005	102.19210136506693
2006	113.98714468672097
2007	114.0812115745333
2008	111.74253739234982
2009	116.08698328487773
2010	109.47793710440561
2011	103.36827618624761
2012	98.58114798255626
2013	96.2482769833529
2014	91.21572709467625
2015	90.72471432701201
2016	90.51153913280109
2017	85.33272756010005
2018	73.8450426998403
2019	68.02666630526767
2020	74.89188588086598
2021	68.210100504643
2022	62.00094925121332
2023	60.86785054206665