Year annual % growth 1961 7.272727271893416 1962 0.15989766531198768 1963 5.617391304319824 1964 0.8233163182734131 1965 7.218683651088995 1966 7.585681645570347 1967 6.0597479823708085 1968 2.9502069154252695 1969 6.5223029046436665 1970 6.561168593311081 1971 3.5687981254326218 1972 0.990755107156005 1973 8.27078498901328 1974 3.169112973352668 1975 4.110491855165492 1976 7.819337790649627 1977 5.160310411705666 1978 -2.804918016520304 1979 0.8553946100181804 1980 1.8485738251868895 1981 0.4126157685162326 1982 -4.006486230440871 1983 -4.583751334674943 1984 -0.0204161629645796 1985 3.9783718921663365 1986 4.975225590473343 1987 3.108668889162857 1988 0.890046798171241 1989 1.7847834351040177 1990 3.3767749013746737 1991 3.323380215896492 1992 3.555550634343348 1993 3.324917242587972 1994 2.9336290486228194 1995 2.9470366644644486 1996 3.2658810948590826 1997 5.4289979335519405 1998 5.253223272491397 1999 2.762401350451654 2000 2.3031522820219124 2001 1.2692388981568854 2002 2.0446629784147063 2003 1.8839186963628123 2004 2.909997269497012 2005 3.329366103138099 2006 4.071219852307522 2007 4.169679320434966 2008 5.482912628877813 2009 3.673146752750725 2010 3.977606566932309 2011 5.203404865563385 2012 4.605547739323512 2013 5.927214469053993 2014 5.420122549621368 2015 5.199513289165523 2016 3.3974544679307144 2017 4.730776284090794 2018 4.3013072905580145 2019 3.675880694069903 2020 -7.855701181980166 2021 5.341504644935085 2022 3.3637708395559685 2023 2.2609088853718333