Year annual % growth 1971 5.046383412386362 1972 5.110971492148437 1973 5.193787206972672 1974 2.253220500147762 1975 2.2714314454639606 1976 4.770863110779857 1977 3.335215337530201 1978 3.0372568134054347 1979 3.788556095636025 1980 2.2611292319891163 1981 0.4928931305354496 1982 0.7644401462937935 1983 0.9131807772408962 1984 1.3010819865659613 1985 2.1251952502515223 1986 3.5240033438035994 1987 3.607997724905303 1988 3.5073857237338757 1989 3.676983285893627 1990 3.2195962577452804 1991 2.7225039507380586 1992 1.9867038690670142 1993 -0.7626464801738138 1994 1.6014239614745378 1995 1.7839116053199717 1996 2.0862470197515677 1997 2.013004226983412 1998 3.244559281066799 1999 3.333432441696189 2000 2.943224172649579 2001 1.8625186173464954 2002 0.815678485096754 2003 1.1909275348080115 2004 1.7653737328294596 2005 1.9929573683906199 2006 2.0474310420037796 2007 1.8318486226137907 2008 0.26918117012262144 2009 -1.155429365299014 2010 0.887156272456906 2011 0.16173969831140766 2012 -1.0184095195638747 2013 -0.6570066965043537 2014 0.8629805090333065 2015 1.8634626859891625 2016 2.0075439763265877 2017 1.8035035017468743 2018 1.493559983022891 2019 1.349230878599002 2020 -7.743372595306994 2021 4.4200722516417414 2022 4.1886941382356895 2023 0.4911201337473443