Year annual % growth 1961 12.512547977561269 1962 -14.25947307651937 1963 17.328762930770637 1964 11.237479131886488 1965 19.083575649563826 1966 2.752943956520042 1967 1.6864699118436306 1968 9.886920467395413 1969 3.4507597845847755 1970 8.33250439338174 1971 3.0699069539666937 1972 -7.976243504083143 1973 1.2617380360773183 1974 30.337794773741223 1975 2.572127139364298 1976 -4.903222730739898 1977 9.519989973680907 1978 -4.684960977730995 1979 8.06800172885751 1980 0.09998666844420256 1981 9.458169629974918 1982 11.565136275146017 1983 -8.439516495501238 1984 5.989438576987212 1985 16.640131862368662 1986 -0.23605736033273672 1987 -4.7274892959469526 1988 11.223369207116193 1989 24.881516587677723 1990 5.617184839196227 1991 -5.71461476448232 1992 3.4983143597009843 1993 6.594911013548611 1994 7.501107174490713 1995 16.342757093568167 1996 4.6864902667244905 1997 9.8945516967283 1998 10.245617814986389 1999 5.11331513962854 2000 12.047888764201616 2001 -0.9748552532549439 2002 1.3489090234473053 2003 13.197364070102509 2004 13.499076691948957 2005 12.499770199466866 2006 8.460762244818753 2007 10.363972623894952 2008 14.486249240619514 2009 -3.712061816024587 2010 6.944379943961977 2011 10.429181443149744 2012 11.301612268973656 2013 0.697427925381561 2014 -2.9119037427401224 2015 1.518772646673355 2016 -0.32583725698664523 2017 5.247581564893579 2018 6.95384838126607 2019 0.22610843898456778 2020 -5.967276633372094 2021 -3.458003703080294 2022 6.904760244277213 2023 9.291994024385204