Year annual % growth 1961 -5.221504585123711 1962 8.865418807643806 1963 -5.1131657541154 1964 1.0381148843428036 1965 3.5137268494789 1966 -0.4924961579474285 1967 7.8809083160640085 1968 4.277245711770547 1969 -2.0847458182469296 1970 2.288122931877041 1971 -0.17571033043573436 1972 7.846457328930612 1973 7.363462702646004 1974 -4.22148196932676 1975 -6.09852482091317 1976 -2.886492819959102 1977 2.276074156027974 1978 14.622333716802174 1979 8.45705778863109 1980 -1.7216870833263727 1981 -1.1625409976488186 1982 16.6458865377177 1983 -6.631038124454406 1984 4.693175567041493 1985 5.7663045496469465 1986 0.14832144256138236 1987 3.0697412527748185 1988 -1.5457624552001903 1989 3.8830663938228724 1990 6.781897918433643 1991 -9.353321780887995 1992 14.615589564763766 1993 -5.96723064611713 1994 0.550932505238606 1995 4.298062617946471 1996 6.611410660715549 1997 -0.08030085415884969 1998 3.115980867919845 1999 5.076520084586633 2000 -0.9136592913681909 2001 -2.8717240029563698 2002 5.696069696846578 2003 -15.249237460580858 2004 21.305384745016553 2005 -5.815790867588319 2006 0.20879620537117205 2007 -0.7822086431589383 2008 4.475503475228976 2009 6.524534179334381 2010 -3.3965428017121013 2011 3.989880834802875 2012 -8.412622619571394 2013 -1.929867744215386 2014 14.703965711048752 2015 0.1404758191772686 2016 -12.362333210572544 2017 8.234853348384135 2018 3.914288248644283 2019 -2.3103701663932554 2020 -6.118655364922844 2021 -4.414290579793985 2022 7.495426649197185 2023 4.0294319599042865