Year	annual %
1961	-0.47598926369428796
1962	-0.4713324641671335
1963	-0.5927299206493899
1964	-0.5983517215759093
1965	-0.6610349445734442
1966	-0.6820927376449077
1967	-0.6470044788324429
1968	-0.6300177225099617
1969	-0.5366141715093704
1970	-0.6716504866557642
1971	-0.6995805361338086
1972	-0.4876407514957606
1973	-0.47746837222912575
1974	-0.492608191084841
1975	-0.40090511501369974
1976	-0.3773603910999128
1977	-0.48530501111207514
1978	-0.5436896313616302
1979	-0.5353195014070309
1980	-0.4849580046326878
1981	-0.42013956523430807
1982	-0.27795169367095696
1983	-0.24912074683159346
1984	-0.19387307104784668
1985	-0.15399024976903775
1986	-0.2056778760521496
1987	-0.3786398208751791
1988	-0.34007206082378616
1989	-0.16464545163913158
1990	-0.22219709503681884
1991	-0.28846045186826075
1992	-0.22578973929127244
1993	-0.1048126778045031
1994	-0.21703275716582482
1995	-0.28068320601217067
1996	-0.3063069581212545
1997	-0.3032436034547459
1998	-0.31131424208726344
1999	-0.2993799921849529
2000	-0.4127237726480786
2001	-0.5079753217669634
2002	-0.5591080603676772
2003	-0.4193199547491133
2004	-0.39215560750842826
2005	-0.420406182860404
2006	-0.44889017857204294
2007	-0.454464426412045
2008	-0.47163478622127286
2009	-0.5239606101095831
2010	-0.6276871686228418
2011	-0.8999704245299966
2012	-0.557153619615093
2013	-0.44279712384658865
2014	-0.4259687734211326
2015	-0.5072517810009458
2016	-0.5434048339633364
2017	-0.6257737638129015
2018	-0.6423000550826288
2019	-0.7889117033783464
2020	-0.8062883614986163
2021	-1.0558543762532793
2022	-1.0420134658684361
2023	-0.5418103190033037