Year annual % 1961 1.21643964253444 1962 1.12462535722527 1963 1.19976420651035 1964 1.28044879754485 1965 1.3991667155873 1966 1.30928056896247 1967 1.10453600010113 1968 1.05792822556406 1969 1.00739869158273 1970 1.05984479577241 1971 1.15171375412541 1972 1.13351178461958 1973 1.11829122397455 1974 1.10841192340636 1975 1.08149293914069 1976 1.04800175634239 1977 1.03472177796035 1978 1.16004464602004 1979 1.28093049017083 1980 1.28098993357559 1981 1.29001292779575 1982 1.25547065266781 1983 1.13697711474822 1984 1.03782500257453 1985 0.97013218146087 1986 0.952117777202569 1987 1.00770682340115 1988 1.03173140034316 1989 1.12442819868348 1990 -0.0231654540938459 1991 -1.41906527081127 1992 -1.73467690776546 1993 -1.99565354550508 1994 -2.16310674327827 1995 -0.741451722816404 1996 0.757312330764096 1997 0.805573388285737 1998 0.82811574411955 1999 0.750547556707784 2000 1.00591847845505 2001 1.27307089045739 2002 1.22075921220517 2003 1.22924959571133 2004 1.25183798931429 2005 0.627338991367072 2006 0.0455467690371607 2007 0.0993028196710854 2008 0.103335684804041 2009 0.0371747216177147 2010 -0.0392403891899056 2011 -0.0495888270007087 2012 0.0123995123017319 2013 0.0537134606447883 2014 0.0970242533510219 2015 0.721624002974263 2016 1.39145416003308 2017 1.46397881873087 2018 1.43304325187036 2019 1.41473188516849 2020 1.41026007721943 2021 0.900256782879419 2022 0.379320886225017 2023 0.338473433332776