Year annual % growth 1971 8.618867079649874 1972 4.811800240714348 1973 3.3674992638232055 1974 0.9111466433418371 1975 9.734157747371512 1976 5.50971363814854 1977 8.442131772203737 1978 6.2572325224649035 1979 0.9748583761783038 1980 -3.1534612317038295 1981 18.84949954391672 1982 6.896782794028255 1983 4.692091947971662 1984 8.940345837265951 1985 13.09659604487156 1986 -11.83366893055738 1987 -10.097652094002939 1988 9.84515798941024 1989 10.11992477634385 1990 -3.6320214756866704 1991 -20.545609668392657 1992 -41.26659378073813 1993 -28.85546867091466 1994 -27.642418931279394 1995 4.803163973311371 1996 37.078016990907685 1997 7.608510638297886 1998 -10.95117578825267 1999 0.45591805317070566 2000 11.346221855475648 2001 0.7913821396432326 2002 -10.779653895643492 2003 -9.636213797975046 2004 13.477949319262578 2005 32.990815154994266 2006 25.97660465317047 2007 2.381360287819078 2008 21.934404283801868 2009 -19.031673711368498 2010 -0.7118644067796538 2011 8.535336292249923 2012 7.156338471217367 2013 4.021723176280645 2014 -4.86806829405954 2015 18.2586769504598 2016 7.512855888624117 2017 0.1633224451703228 2018 4.821802935010481 2019 -1.0222222222222257 2020 -5.927256398742713 2021 -0.44152744630071084 2022 -5.765312237804139