Year annual % growth 1962 6.1168955528442694 1963 3.2800639415229824 1964 5.474818720258014 1965 1.2317213854407214 1966 8.106786990883762 1967 8.509624401535149 1968 15.460617547849552 1969 10.238354103711146 1970 9.035677374980295 1971 0.30709984275935653 1972 -1.1176052014600657 1973 6.017637886381124 1974 -3.618061196999861 1975 1.8050354628062308 1976 7.742616446366313 1977 -3.8507471694564117 1978 14.87004280350979 1979 10.173268026198329 1980 4.927112552329831 1981 2.457738375596179 1982 2.6454234153339797 1983 1.7519217881174995 1984 7.0489276186212635 1985 3.5237998223652767 1986 6.08652741838074 1987 6.30164157419469 1988 4.20274253574857 1989 3.4206743894397533 1990 7.513330938200369 1991 6.799999976883626 1992 8.80000002183425 1993 10.4999999778356 1994 9.099999989753172 1995 9.176750289833564 1996 6.522679675601182 1997 9.053085438991545 1998 6.323162141786781 1999 4.434515137462029 2000 9.243358903553698 2001 -4.161842193765125 2002 2.067874474612367 2003 3.915466411209252 2004 5.173390533803698 2005 6.181402229912123 2006 5.548525738681434 2007 6.447327564052614 2008 4.933123302596769 2009 3.3003691257407013 2010 7.33042252048017 2011 3.381795806211983 2012 2.9112058303744277 2013 2.185783651363465 2014 2.321418560241156 2015 5.019372011616866 2016 3.424133725221367 2017 4.787617212803497 2018 3.785981866234607 2019 2.0282816265403625 2020 -2.56405838378636 2021 7.4001214921066065 2022 -12.669019571893486 2023 -3.1632762773642753