Year	annual %
1961	-0.8426912988572278
1962	-0.8740088277958644
1963	-0.9105654775462841
1964	-0.9423209813061033
1965	-0.9690111533971726
1966	-1.5453260187822944
1967	-1.5778291032091607
1968	-1.6123263919947826
1969	-1.6350558093363894
1970	-1.6262593877984108
1971	-1.5995429745867737
1972	-1.629364579598746
1973	-1.6520984893937207
1974	-1.6805457874913665
1975	-1.7082372688622
1976	-1.607889257359227
1977	-1.628741144388961
1978	-1.6586318259841855
1979	-1.2551673429999588
1980	-0.7540099887898485
1981	-0.8044827862177596
1982	-0.8520691502564643
1983	-0.8939818825023695
1984	-0.743450531322743
1985	-0.7291711744967635
1986	-0.8004616640489919
1987	-0.829362758702881
1988	-0.8909281907249473
1989	-0.22581702949460628
1990	0.18305365989042902
1991	0.30547365698546386
1992	0.112008438258994
1993	-0.03845332473765688
1994	-0.015487718143961129
1995	-0.0066235032112371426
1996	-0.12667758678936727
1997	-0.1503226861328205
1998	-0.15047019718595248
1999	-0.2905135357157907
2000	-0.4056028866832516
2001	-0.40908207000445973
2002	-0.4412684513112645
2003	-0.5738859265214353
2004	-0.5718269299673199
2005	-0.5508830313056452
2006	-0.4971641922301857
2007	-0.3410908237674702
2008	-0.21424573330768212
2009	-0.13668482155594427
2010	-0.12597421060093184
2011	-0.05312150851408745
2012	0.026715966006541247
2013	0.022412165022060494
2014	-0.03374921069113248
2015	-0.10526434066132771
2016	-0.18152426982990663
2017	-0.30528163358861726
2018	-0.47783999675121236
2019	-0.5662133324374511
2020	-0.8025153131697635
2021	-1.0592633495387072
2022	-1.1217678098852828
2023	-1.112787081556909