Year	% of GDP
1960	100.89286024963573
1961	101.72414095464595
1962	103.27868936921716
1963	106.76691563279842
1964	97.98657264087217
1965	102.1863259586141
1966	102.2160205575972
1967	101.08518684699699
1968	103.0711166562695
1969	102.43585891966593
1970	100.93224289164795
1971	105.73593024674896
1972	103.34052622317715
1973	102.3165579283189
1974	105.78054028209418
1975	110.7261248706742
1976	102.92639286785467
1977	99.69578840136207
1978	108.51870801871075
1979	108.55949688106588
1980	114.48268446905723
1981	112.89434518690764
1982	116.6954709946266
1983	115.70217965785135
1984	112.04830288311007
1985	109.76013913005886
1986	110.5926206806073
1987	115.993728791737
1988	113.36254481324524
1989	113.19770825435802
1990	119.90220654225854
1991	118.58775788351
1992	120.72777036783626
1993	117.7790749100585
1994	118.20999348436823
1995	114.35194070650188
1996	109.93308023565184
1997	104.60443407234538
1998	111.44052973513243
1999	108.38823012736056
2000	109.91578330051543
2001	110.6056412853157
2002	112.30222104460148
2003	114.61348402865015
2004	117.67062160783905
2005	122.69639311264943
2006	127.8000152683411
2007	125.2000076334265
2008	126.19997493641226
2009	122.60001441928827
2010	120.10000331861018
2011	125.3999848911203
2012	124.31319889312027
2013	128.41353809642092
2014	125.6030120915202
2015	110.00375020136588
2016	110.27465629154882
2017	110.1871470690974
2018	115.22841230514074
2019	118.68212000052142
2020	117.67470691945228
2021	118.81807999965766
2022	118.37312377384154
2023	119.06648077903048
