Year	annual %
1961	1.2799808942224047
1962	1.207184587284658
1963	1.1631560076916827
1964	1.1055416205124828
1965	1.1757520820055731
1966	1.1013095527717383
1967	1.0234055862231202
1968	0.9433361656756318
1969	0.8772273185241488
1970	0.8166207523402846
1971	0.7233809389683046
1972	0.6737824348084445
1973	0.6750771399583186
1974	0.6321462611540625
1975	0.567365838977409
1976	0.5157035614429333
1977	0.4779684728623863
1978	0.451244674189752
1979	0.4032836400073734
1980	0.336697735886446
1981	0.316761198770223
1982	0.3127038822660353
1983	0.2910274425448591
1984	0.23624101665188846
1985	0.16619732534014986
1986	0.1249682706498021
1987	0.08184329941047963
1988	0.04168898951053279
1989	0.005894109233310019
1990	0.006439786949613335
1991	0.04803139687025748
1992	0.04206651944198825
1993	0.03467799116828019
1994	-0.05459784884921248
1995	-0.10809469359034551
1996	-0.10322223283537824
1997	-0.21436629717075562
1998	-0.26885667483395537
1999	-0.2793701824903252
2000	-0.3444665739201582
2001	-0.0506576404621768
2002	-0.05589035038701695
2003	-0.1233498721961439
2004	-0.12320835503571459
2005	-0.15138349020654118
2006	-0.20114881345713798
2007	-0.2416479426467788
2008	-0.26756534503763874
2009	-0.2744076366702046
2010	-0.3076394670015361
2011	-0.264047799201677
2012	-0.2577733089298704
2013	-0.2838183421664269
2014	-0.31516969487402946
2015	-0.33854873687147347
2016	-0.3412305831007245
2017	-0.31933459178833346
2018	-0.28619035470387644
2019	-0.3298940696823962
2020	-0.4814389234651344
2021	-0.6277200255714348
2022	-0.703642167283931
2023	-0.6961839894553492