Year annual % growth 1961 3.9552047473929264 1962 1.7731278390530179 1963 4.1742825414175115 1964 -10.417797954295622 1965 -16.025211230126175 1966 9.0356474211912 1967 16.17466365473703 1968 2.2919248432552877 1969 5.801027489010082 1970 19.652274550095242 1971 -6.05735919251245 1972 -1.5256910180444834 1973 16.245382349788983 1974 18.230679324050044 1975 30.681144031573524 1976 26.27957694520208 1977 23.029985887410803 1978 -19.01139519380763 1979 3.59885860106057 1980 -12.35773526328164 1981 7.218108081189186 1982 1.46724976531047 1983 -5.0306645151689935 1984 7.708389821751993 1985 3.1968377401798023 1986 -2.078970664419714 1987 8.713402611257678 1988 4.371361535263205 1989 8.009169218252637 1990 9.176370217188207 1991 4.879651190384379 1992 10.194119441218334 1993 -5.298941573954679 1994 -0.4720129271595823 1995 9.151217819612228 1996 -5.768365399676497 1997 9.598377963010236 1998 8.079814297507099 1999 7.14283566201577 2000 7.5830885546899225 2001 1.364102785465704 2002 6.5458863928830056 2003 7.100077764108306 2004 9.776441116336684 2005 9.636130513797596 2006 8.240062628896766 2007 15.017053910392349 2008 13.847998708941617 2009 -8.364131083531788 2010 7.828034318038959 2011 9.075178621171958 2012 3.3496247384150024 2013 -0.07142909321473212 2014 3.8285734617947327 2015 1.3309002554853748 2016 14.839291005619629 2017 4.649207951371807 2018 4.799396901475504 2019 2.130055124651605 2020 -11.887312593032235 2021 10.403771356929113 2022 9.014952846141426 2023 8.23474783737963