Year annual % growth 1961 2.1464409525032266 1962 3.1149003236730977 1963 6.450917189239874 1964 8.18929162087943 1965 3.5946914183357705 1966 4.670491610012959 1967 4.487807625161906 1968 7.354069315166441 1969 6.962083571109417 1970 6.5544556624157195 1971 4.706290030335694 1972 4.276551049084418 1973 7.580749710191313 1974 5.245361041246866 1975 3.6302521008403374 1976 1.576982632445791 1977 -0.8689441330191983 1978 1.6400943831121282 1979 2.4760458522032422 1980 8.589544360734621 1981 7.303862666127259 1982 2.09774141330017 1983 3.0056705391926783 1984 4.595172335683827 1985 -3.456605073427596 1986 0.15870142142424015 1987 3.855351146976659 1988 5.311435547903102 1989 2.7401732994946713 1990 2.873464455403976 1991 -0.5170846160652474 1992 -1.4232973605014507 1993 1.8907618176472454 1994 4.007268417857063 1995 5.926613104617573 1996 4.471777774637985 1997 3.2574627263892637 1998 1.742504766653937 1999 1.737723492889458 2000 4.138206372924486 2001 3.493141870730639 2002 3.172595946225215 2003 2.8315163318895884 2004 6.240492087853951 2005 6.133429261336019 2006 8.77625658969221 2007 6.51796018994051 2008 1.2110360491451644 2009 -2.5909129245381166 2010 5.6861749316910135 2011 4.05359984998131 2012 3.2261332957529874 2013 1.5511003721012457 2014 0.7201250638856322 2015 2.157655679119472 2016 0.6825619076367815 2017 1.7142146142948889 2018 3.1625722180460087 2019 1.2818542117719005 2020 -6.1327208747034945 2021 5.8353276153199545 2022 2.4730323948282518 2023 0.7470582031879474