Year annual % growth 1971 14.114249755611198 1972 16.507174804101894 1973 24.579804254639214 1974 16.486750825190114 1975 10.119203786381163 1976 0.6623788342671446 1977 -0.019804798265283807 1978 3.151141365255114 1979 0.2807789546728401 1980 16.77116682345188 1981 -12.884575066737781 1982 -9.016485157494486 1983 -22.556715274840187 1984 2.075808038118282 1985 30.55343962974436 1986 9.534028012260777 1987 -1.4733093732533575 1988 -4.932604645765892 1989 1.197832008377759 1990 -10.904957400630593 1991 8.955644733393143 1992 -8.574593121591406 1993 14.28206736495865 1994 13.032375094626957 1995 8.09305124765936 1996 6.301220281472155 1997 10.022527096923369 1998 -0.9527850478220614 1999 -10.651222841657386 2000 10.422160454508116 2001 -0.6605128211572833 2002 -6.7744836774605375 2003 -2.6926712902349976 2004 10.322009597479266 2005 -2.497389587147424 2006 8.474881924428132 2007 15.915421918587242 2008 14.22298678506995 2009 -14.497490288228462 2010 28.794554935236448 2011 5.728983457787493 2012 -2.54490940046891 2013 5.877589739059957 2014 -5.407957086569979 2015 -19.15884270008482 2016 -13.945116884299509 2017 2.586921551512347 2018 3.4558979963555316 2019 1.3589614053779826 2020 -4.138568024496308 2021 21.800564129189738 2022 4.740533989296679 2023 -7.040631355051147