Year annual % growth 1961 2.617527741564345 1962 5.10343466976191 1963 2.190548590179489 1964 8.422459871767558 1965 6.788498221627833 1966 12.949497315763097 1967 2.636499888786716 1968 7.643248194306196 1969 5.745834112624237 1970 36.289781440052764 1971 9.26356784858369 1972 10.544740764256872 1973 16.305865995463037 1974 21.285297172746027 1975 -4.383255529190464 1976 -1.2995136732912442 1977 -2.35868850090057 1978 6.258887479228164 1979 12.618743919676831 1980 13.895499861826451 1981 -1.3802047613657749 1982 -22.7259442391332 1983 -10.202830391505685 1984 1.8443740853363693 1985 -2.4172201826325193 1986 -0.4670198521543796 1987 6.677324451296229 1988 6.205443611669722 1989 4.198952973912398 1990 15.117854235938893 1991 15.436959305498064 1992 17.91643163462828 1993 8.037095917904495 1994 13.601417964232752 1995 -1.1839309691104063 1996 8.653521007406994 1997 17.41500811895959 1998 7.805794712188913 1999 -3.8462224478892892 2000 12.788247341850692 2001 0.2711356367690314 2002 -3.68753363758195 2003 3.588376266397475 2004 10.045346746435158 2005 8.154113238605731 2006 10.712646079766202 2007 11.03988356485273 2008 9.308714703801016 2009 -13.726170446507368 2010 22.521325957072946 2011 9.79731433310495 2012 3.4825273272355304 2013 4.520698601884192 2014 1.1814417479218946 2015 -1.4583634250681001 2016 -1.109289053885007 2017 6.250832202500803 2018 5.131494300920195 2019 -0.8132902395075376 2020 -12.731291223030283 2021 18.203004770511882 2022 7.426936867912687 2023 -52.97261358517502