Year annual % growth 1961 -24.05063298068781 1962 -19.99999975943517 1963 77.08333279836941 1964 9.411764877536456 1965 5.3763440771721775 1966 -19.318180315672905 1967 0.4694855304548753 1968 7.943920754804637 1969 7.792206212950163 1970 10.843371445157928 1971 5.797096919921543 1972 17.46576090378977 1973 1.4577262980979668 1974 24.999997031296644 1975 11.264365156583665 1976 8.057857253975158 1977 10.898657915003128 1978 0 1979 9.655179607579583 1980 10.377351592737355 1981 8.810037076689568 1982 1.9336366439789145 1983 6.396625937352113 1984 5.2165183526553704 1985 6.299000288038272 1986 -0.8881293057552853 1987 -5.699701796644902 1988 -8.771536444234073 1989 11.164965566767876 1990 -3.523617139239704 1991 -7.368510798786019 1992 4.818519909311192 1993 -2.5263724033339514 1994 -0.5654199367256894 1995 2.0752089375685188 1996 -2.4026101893050225 1997 -2.157985293150176 1998 2.0966413756762847 1999 2.9521106944495585 2000 4.862756045436029 2001 2.40000000032947 2002 4.300000000000054 2003 4.6000000000000085 2004 5.900000000000034 2005 4.600000000000023 2006 3.499999999999986 2007 5.89999999999992 2008 6.19999999999996 2009 6.900000000000034 2010 5.600000000000065 2011 5.39999999999992 2012 7.099999999999994 2013 6.100000000000037 2014 5.400000000000006 2015 3.899999999999949 2016 2.700000000000017 2017 2.30000000000004 2018 2.59999999999998 2019 2.6000000000000085 2020 -4.800000000000011 2021 1.5999999999999943 2022 3.499999999999986 2023 3.800000000000253