Year annual % growth 1976 8.463234884364596 1977 0.10265327070464991 1978 -3.28206067843459 1979 3.605532812146592 1980 5.629479808983717 1981 -0.6782642795330958 1982 0.390220870444665 1983 -1.0690222162529324 1984 9.332027903158902 1985 -0.26953482303731846 1986 -0.5405265533637049 1987 3.4420225944187877 1988 10.945712298911346 1989 3.3149241623943624 1990 0.7639420783681174 1991 -15.087172601079402 1992 21.339261443680456 1993 3.7527514454919384 1994 -10.92196907350457 1995 30.10562134687578 1996 3.6175850624887858 1997 -15.861098837681126 1998 13.753627723739982 1999 5.077132084573037 2000 -2.479118025743375 2001 6.7614506659213305 2002 4.335485115500418 2003 -8.2046829190988 2004 2.9630948398954047 2005 -6.425453802368708 2006 -11.808414930510182 2007 -6.361945155207337 2008 -8.166812450134145 2009 -8.456229818067257 2010 7.661596038134562 2011 4.916305191999854 2012 -4.549306167138738 2013 -4.9092681856380125 2014 -14.903889020008918 2015 2.914664850522499 2016 16.51120659969159 2017 -6.89394620850949 2018 -2.3377526768634596 2019 6.174074764981555 2020 -1.8597296390750984 2021 -0.11338360549015647 2022 0.7967586532769246 2023 0.8737095070801928