Year annual % growth 1961 5.534501377139847 1962 4.807247625561089 1963 5.8525657974652034 1964 -3.474958740737705 1965 8.293254669771443 1966 6.244947921934923 1967 5.358502068959623 1968 15.859085718914969 1969 5.375673996027871 1970 4.953714000553688 1971 1.5576582558545624 1972 2.0234680736074466 1973 14.191274227792135 1974 15.925127341620112 1975 -2.9965102619730004 1976 16.961708082509503 1977 4.160636442882691 1978 7.589439859849705 1979 17.96610757022347 1980 3.170039949636319 1981 -0.8311583900129449 1982 10.677185496088342 1983 12.337869294685746 1984 13.783215971612648 1985 0.4474826333952251 1986 11.786668870619039 1987 14.557139873074647 1988 10.898461529227973 1989 15.193794839384282 1990 17.819149323622696 1991 15.770341800908312 1992 12.595793662331971 1993 11.542535987393492 1994 21.906724494876983 1995 18.964527917983617 1996 9.227955007129069 1997 5.490640069285547 1998 0.4911536602159714 1999 13.163297793959487 2000 16.065729451779532 2001 -6.830162778301187 2002 5.427334726842801 2003 5.133872161246529 2004 16.05826339121967 2005 8.301906703825068 2006 6.6821575588814 2007 4.428579630651768 2008 1.5730829291356088 2009 -10.878417442594497 2010 10.419069771189584 2011 4.179392920999675 2012 -1.7418563063042853 2013 0.2592477550621908 2014 5.040280764071795 2015 0.2526952947444272 2016 1.319478906845987 2017 8.682999815463347 2018 1.932990440381971 2019 -1.0447433751182302 2020 -8.56065822976629 2021 18.543200393788766 2022 14.487065060618718 2023 -7.873901859818318