Year annual % growth 1963 5.53299510181337 1964 6.769659580532974 1965 10.159906145143466 1966 3.4447943100408764 1967 5.370193951211078 1968 4.343751502779895 1969 5.106117268760983 1970 5.591057076536927 1971 3.6373423845557937 1972 3.9177190148104444 1973 4.066472593272195 1974 5.1710817050321936 1975 5.567837237577152 1976 3.9181715134225925 1977 4.041768318499933 1978 4.8005590361984645 1979 3.7251954150006554 1980 7.908114851354412 1981 5.870261746291945 1982 0.4656022711598098 1983 2.083311979695864 1984 3.0191907629310037 1985 2.643683018003955 1986 0.8200592361017556 1987 2.598360845180167 1988 3.311327075558637 1989 2.8526651126275624 1990 6.46183313701539 1991 3.4235030155066966 1992 3.7678878255128296 1993 3.4480234122848117 1994 3.100771289661239 1995 2.472045774949976 1996 5.6345214763168485 1997 5.701345085950109 1998 3.599866903562912 1999 2.8210549665129037 2000 4.395059087617653 2001 2.0561151018996924 2002 1.8730219689413872 2003 4.191281893952194 2004 5.376667569269671 2005 5.784443772233132 2006 5.289671448641855 2007 6.143229661150215 2008 3.6775892448559517 2009 0.5821000006305468 2010 5.99308793872153 2011 5.906242468435067 2012 4.080472416618264 2013 4.4096013243392775 2014 3.4587109429887306 2015 4.528458601565717 2016 4.305706803722359 2017 4.311485183168855 2018 3.4997591624265283 2019 3.1201284068165904 2020 -4.651335776094228 2021 9.055650599703128 2022 7.267820522861413 2023 4.324937802514512