Annual annual %
1961 1.607595568025611
1962 1.6226820119301963
1963 1.6627502955357243
1964 1.6654528548948961
1965 1.6122014064729338
1966 1.539355634359441
1967 1.4708616673154045
1968 1.4182543645013086
1969 1.3818840763154712
1970 1.355642503188779
1971 -0.058696191286369145
1972 -0.5558843165166968
1973 -0.7607659216653185
1974 -0.9565116509180686
1975 -1.144856958232324
1976 -1.338713938128875
1977 -1.5228023932113077
1978 -1.7061622383902324
1979 -1.8631159589279052
1980 -2.0036582867189736
1981 -1.9686086854198783
1982 -1.2070148812433277
1983 -0.9235688727923453
1984 -0.8960839656180948
1985 -0.879335937329263
1986 -0.8765696288748647
1987 -0.8442401323077418
1988 -0.8001042634949846
1989 -0.7836408192939641
1990 -0.8306271549056237
1991 -0.361646638442612
1992 0.07535354672391088
1993 -0.04585753130826452
1994 -0.1521466392278806
1995 -0.21931505116889166
1996 -0.2490043788300389
1997 -0.433977401645357
1998 -0.6147001838321352
1999 -0.6061721249950672
2000 -0.621836563030154
2001 -0.6448593381939192
2002 -0.6681199578397001
2003 -0.410479191458318
2004 -0.15901278721990902
2005 -0.20359305853745635
2006 -0.26144449462777686
2007 -0.30981941272696406
2008 -0.333863934240352
2009 -0.33253037063666024
2010 -0.3282655669716469
2011 -0.3204619452683706
2012 -0.3018398997498619
2013 -0.08968552378157807
2014 -0.054635570105629534
2015 -0.08195211296492268
2016 -0.12859561969066768
2017 -0.2533587830412387
2018 -0.33296994315131057
2019 -0.41604047829433943
2020 -0.5134942554718217
2021 -0.8236409128482666
2022 -0.8744363117088412
2023 -0.6996833902980485