Year	annual %
1961	1.1955744802189656
1962	1.1369935255581538
1963	1.0876879462714157
1964	1.0269231138932327
1965	1.0907051310298215
1966	1.0150964869279022
1967	0.9367509947049086
1968	0.8563649550756338
1969	0.7894764091829245
1970	0.7278329376995742
1971	0.682937860752105
1972	0.6555751823055402
1973	0.6652820189526238
1974	0.6275765663933015
1975	0.5680627081520413
1976	0.5161230460992954
1977	0.4826624348917221
1978	0.4592537966054522
1979	0.41338938920543455
1980	0.34899299522204785
1981	0.33238799910016326
1982	0.3210162710454796
1983	0.32313856215293413
1984	0.2670937245673741
1985	0.19859012634940143
1986	0.1581972380342478
1987	0.11484293583588112
1988	0.07325125058331139
1989	0.036234842187226945
1990	0.0342043353039827
1991	0.06495729933581629
1992	0.049651278149198674
1993	0.024548560170558176
1994	-0.062040427375791296
1995	-0.11549080683026602
1996	-0.11380901683580191
1997	-0.21935546817974227
1998	-0.2705088995500091
1999	-0.28399743340885664
2000	-0.3464520916348448
2001	-0.05304383676796931
2002	-0.0008070167059202049
2003	-0.048382045723244005
2004	-0.055086513712439
2005	-0.08146513287088908
2006	-0.12906031677636065
2007	-0.1674996620379119
2008	-0.1925884111288667
2009	-0.20011313515733775
2010	-0.23278086952295496
2011	-0.1923544124711185
2012	-0.18313536398994756
2013	-0.20983780932476748
2014	-0.24165928244700297
2015	-0.2647623240475241
2016	-0.2769615634430522
2017	-0.2876498152283773
2018	-0.29076469848510555
2019	-0.35525629122847135
2020	-0.48910813664876684
2021	-0.605752596463077
2022	-0.6529411358510373
2023	-0.6184801712478389