Year annual % growth 1961 -0.7819010604520145 1962 2.654740105552378 1963 2.3723895833684736 1964 3.0586316715545507 1965 -0.6970598167527271 1966 1.9311464585959186 1967 0.5293282861791084 1968 7.933419946437411 1969 3.9159330592944315 1970 6.609876635982033 1971 5.218227047066719 1972 -1.8316527200839232 1973 -2.698396290451683 1974 -3.0432391265788965 1975 0.24431909787810469 1976 -5.265459399423207 1977 4.565016689752326 1978 -2.1916243008730447 1979 11.881989840375454 1980 -0.18754026514490363 1981 -8.672035468953936 1982 -1.6905962005225206 1983 -4.420059623402167 1984 5.593983253252091 1985 4.000433088019335 1986 -1.7096984126079917 1987 -4.699986117576373 1988 0.9549990773111148 1989 -7.405922068495016 1990 17.022169268013315 1991 -6.698583864745913 1992 0.7150489955156019 1993 4.324323315433531 1994 0.039095981093396404 1995 1.1120609417395002 1996 2.0194903608754515 1997 4.629533164447935 1998 6.040337716294047 1999 4.161639588639687 2000 3.561363024195913 2001 0.7833291960026116 2002 0.5785490354515588 2003 9.370553611378597 2004 5.261647367915501 2005 -0.10750783845993794 2006 1.872130156765067 2007 -6.3916208484461094 2008 6.134620364543238 2009 2.526714602464807 2010 4.580641132604299 2011 2.3044696423887956 2012 3.03781234765394 2013 6.73921762208964 2014 -2.5996937871376957 2015 2.984353885532414 2016 3.752855391230426 2017 1.1509448796059587 2018 3.6927583743278944 2019 3.0160266447363853 2020 2.1738633906313254 2021 3.0047574966123562 2022 2.5000100004916703 2023 2.499989882053086