Year	annual %
1961	1.7962051050264
1962	1.75533436848052
1963	1.65513017870588
1964	1.58377263246098
1965	1.58859400875146
1966	1.58526946582776
1967	1.52133563660705
1968	1.44737984804115
1969	1.41849291606937
1970	1.36311132246799
1971	1.25154289574361
1972	1.14092051491406
1973	1.0662585545188
1974	1.00257093582071
1975	0.897361337635072
1976	0.795831381143231
1977	0.751640013067379
1978	0.696156021869977
1979	0.606238777119545
1980	0.557936155918259
1981	0.65933999079041
1982	0.721113801054903
1983	0.649418265343519
1984	0.586330669402336
1985	0.521618467492718
1986	0.433660607465972
1987	0.342358663473146
1988	0.273402420065248
1989	0.217472767932837
1990	0.148571913436058
1991	0.260135896717429
1992	0.391147479700536
1993	0.351785518159082
1994	0.283875127465269
1995	0.201650091563977
1996	0.101547736158182
1997	-0.0122502909597325
1998	-0.0971804612444681
1999	-0.149018260395442
2000	-0.159783711477875
2001	-0.151239400305238
2002	-0.168214543982812
2003	-0.301909674146042
2004	-0.443035334521563
2005	-0.503003495436714
2006	-0.55130582200281
2007	-0.542631060920161
2008	-0.459438268596005
2009	-0.432421320990234
2010	-0.485517590904248
2011	-0.55501929083077
2012	-0.571994215876999
2013	-0.587382739507594
2014	-0.501955691417342
2015	-0.403010939386318
2016	-0.488598020662577
2017	-0.391467650725961
2018	-0.254233405445762
2019	-0.339668745500942
2020	-0.278684637027924
2021	-0.287130994918257
2022	-0.368734813797833
2023	-0.240794545327961