Year annual % 1961 1.1213462260113403 1962 5.448265210003214 1963 3.3540683747780093 1964 4.6636159935574 1965 4.409995627988721 1966 4.789364373760492 1967 1.2274915049871993 1968 3.3276557332773393 1969 3.6480179339265106 1970 1.4900910735089212 1971 0.9969318587432809 1972 4.3018308963631995 1973 5.431703761315546 1974 1.924903895228951 1975 0.07418619924430914 1976 4.505104264016296 1977 2.3302652542621445 1978 2.7084521570558877 1979 2.703695673083658 1980 0.8679870416187043 1981 2.147380544373817 1982 -4.31128441088417 1983 1.5534327215733725 1984 4.903554200145123 1985 3.784974231936417 1986 1.1113810352473479 1987 2.7091739812837687 1988 3.065761292588533 1989 0.51757380097321 1990 -1.2964413233353014 1991 -3.3003000110494725 1992 -0.2967095024140036 1993 1.5357457226152746 1994 3.355814381006539 1995 1.6252813360755596 1996 0.6315308644566926 1997 3.2489748820719484 1998 3.0342376789985366 1999 4.289836598872498 2000 4.163948500285713 2001 0.774519432401604 2002 1.8879648458803473 2003 0.8950185927147913 2004 2.135815593646086 2005 2.2375765823735776 2006 1.6029015267479991 2007 1.0641448518324097 2008 -0.09334278373356142 2009 -4.020088121147381 2010 1.9514474759255336 2011 2.1360771396745832 2012 0.658841990369126 2013 1.2535901290465148 2014 1.8484095174269015 2015 -0.11236917294915827 2016 -0.09829635251598745 2017 1.8094644627928176 2018 1.2809265790424433 2019 0.4296575810858201 2020 -6.062406429590155 2021 4.705382051873514 2022 1.9556706589564072 2023 -1.8545095900967539