Year	annual %
1961	-0.7315788073447
1962	-1.51009130160711
1963	-1.84530943143269
1964	-2.11070021033963
1965	-2.35403333335796
1966	-2.59608149118653
1967	-2.82954686261506
1968	-3.08553862173531
1969	-3.48678127756613
1970	-2.56207553307452
1971	-0.85985052552319
1972	-0.375285556020276
1973	-0.392520073550843
1974	-0.421301218865046
1975	-0.382061776493297
1976	-0.337791894662556
1977	-0.313705992130001
1978	-0.316993879629402
1979	-0.431159378143719
1980	-0.419103363091393
1981	-0.334689446648235
1982	-0.370858880743519
1983	-0.454365256943426
1984	-0.517770043517165
1985	-0.558422727928259
1986	-0.60690629327031
1987	-0.651452499103788
1988	-0.7137892323264
1989	-0.799391959954191
1990	-0.872255248502509
1991	-0.231589943120596
1992	0.879158925066354
1993	1.32854395561965
1994	1.32779249187831
1995	1.29864274956476
1996	1.27735340992935
1997	1.28873407652542
1998	1.30625619963046
1999	1.33627276109612
2000	1.4088796051579
2001	1.14821867970338
2002	0.602711851610802
2003	0.360321874281502
2004	0.32039248574627
2005	0.310808888543171
2006	0.318379738805617
2007	0.300354899935738
2008	0.299455470084081
2009	0.275301416968664
2010	0.247124923790409
2011	0.374800405061299
2012	0.306375360312754
2013	0.0837749017517704
2014	0.0460462982726556
2015	0.00209250986102061
2016	-0.00418506350895554
2017	-0.00627792368344132
2018	-0.0502375829542933
2019	-0.102646830627199
2020	-0.146821344830063
2021	-0.0755921420171568
2022	0.107072010901133
2023	0.205424966383384