Year annual % growth 1961 6.563480103871001 1962 6.197764981406323 1963 3.5409795324687536 1964 6.403387646189046 1965 12.957406716130421 1966 5.549447241437051 1967 6.500779844554387 1968 7.249316284032602 1969 2.626588991551742 1970 9.977643388653973 1971 7.6885022084647545 1972 8.038025676921379 1973 6.866124067029531 1974 6.445418730158295 1975 0.4276294031373453 1976 11.560483254857033 1977 4.650793038434742 1978 3.826408895763734 1979 7.523554080486036 1980 15.517291631634265 1981 -0.154136854770357 1982 -0.1096500106769156 1983 -2.7873402683921853 1984 2.9904063503903586 1985 2.572589822145474 1986 5.255524701463969 1987 -0.7702812784991409 1988 -1.8323505652444965 1989 1.5946313154471312 1990 4.391840077833464 1991 4.001367438768241 1992 1.7937780413854512 1993 2.0836850398831928 1994 5.135674868443772 1995 2.6534259805220444 1996 4.066913856964405 1997 5.335041663694767 1998 2.6222426400744894 1999 0.8534729195213799 2000 4.520990952989763 2001 0.703214270071868 2002 0.14065160993934 2003 2.020849424935193 2004 4.046731781808475 2005 4.108868529208436 2006 5.866423548160199 2007 4.931765115391968 2008 4.264901096562838 2009 -0.928291922669203 2010 6.342853207585094 2011 5.449375790327068 2012 3.1738972653461843 2013 3.481919516774127 2014 1.635241123455728 2015 0.8583126983988478 2016 -0.30482388635496704 2017 2.527577339421967 2018 1.841809346090045 2019 1.2290752505991662 2020 -7.544208384489096 2021 7.922412189396908 2022 5.341322491335987 2023 2.5961630839720584