Year annual % 1961 -1.2974247374375238 1962 3.445085543931455 1963 3.673558928627159 1964 2.3759849484824542 1965 2.0433996620092643 1966 -0.5416470080923119 1967 -3.272898343636342 1968 0.4832201035342507 1969 6.194407090998638 1970 5.023690923447788 1971 4.923332276314113 1972 0.26618780273837217 1973 1.5347833954363352 1974 4.621580346510967 1975 -3.0338823000360122 1976 2.254988413667249 1977 -0.03719113280043018 1978 -3.017926376027873 1979 0.8920771188640941 1980 0.8248941858912247 1981 -3.6555274763655774 1982 -4.110565993480336 1983 -5.321534241135879 1984 -0.5476605659589495 1985 -0.8384982850366356 1986 -0.9659641734602786 1987 0.02719244502115714 1988 1.5597192069826349 1989 -0.49282595084679315 1990 -0.4466370497303842 1991 -2.31637741850723 1992 -2.9997659689475995 1993 -3.4726276537475655 1994 -1.59783523684645 1995 0.6509741280265047 1996 2.3709258094214363 1997 1.4123353333422415 1998 -0.09295589183838615 1999 -0.4029697812253943 2000 0.8054394595645249 2001 1.4917930193362139 2002 3.552443418730107 2003 1.3266652776831904 2004 3.7886911421245486 2005 3.19178969007055 2006 3.209204796923416 2007 3.2880766001647714 2008 2.338681489552698 2009 0.3829941191791022 2010 3.1159505527674725 2011 1.582673617555642 2012 0.47527077451947264 2013 2.258235241685341 2014 2.0494789396422277 2015 0.14109676917118463 2016 -1.450002911961505 2017 -0.19115502622376823 2018 0.07014426278573183 2019 -0.010990166983404492 2020 -4.490579614202005 2021 1.6322641302712668 2022 1.0822044789059078 2023 0.4089174535920108