Year	% of GDP
1961	101.9472561039574
1962	101.17234260476113
1963	100.46377177681218
1964	100.12913252283929
1965	101.42903940787626
1966	101.48015951069966
1967	100.35557981550363
1968	100.15997144956448
1969	100.93761437491442
1970	99.32601637141383
1971	100.28772571573465
1972	100.39008576587602
1973	99.47675445705764
1974	100.028393673203
1975	101.94804832834392
1976	101.36575456032375
1977	101.4938255571967
1978	100.59750393587285
1979	100.30729970051915
1980	98.88543131649206
1981	99.43424603239241
1982	96.504465700279
1983	97.10929563557994
1984	96.73561536496777
1985	97.70832375051747
1986	99.24823880143553
1987	98.67829981056386
1988	99.09585990614043
1989	99.8369514234364
1990	99.76405497619702
1991	100.63866805932973
1992	100.52447260437951
1993	100.01124442296701
1994	98.78076497653957
1995	96.86539902191022
1996	96.11250543709599
1997	97.94783299058876
1998	97.96520931083134
1999	96.25286605940767
2000	94.25548092649333
2001	94.27488019151883
2002	95.52964889455946
2003	96.03846846602728
2004	95.51868499779894
2005	96.01399295006307
2006	97.26368358664523
2007	97.88655350328969
2008	98.2532708926761
2009	101.49700827449797
2010	101.95582835047772
2011	101.2000701215233
2012	101.945703957684
2013	101.57287505473785
2014	100.93358203456117
2015	102.5083875842652
2016	102.2934704100106
2017	102.2300329667609
2018	101.94567897258634
2019	101.4604746012968
2020	102.19961396533974
2021	99.97457414675405
2022	99.84491461773035
2023	100.35843844758594