Year annual % growth 1963 -5.5521853817476625 1964 17.212303543657256 1965 19.280194710964167 1966 6.543366274217547 1967 2.7172446681146454 1968 13.074245067030972 1969 16.586358367538878 1970 -5.0592516812120465 1971 10.667495686308115 1972 1.0188411875947878 1973 34.50238299319574 1974 66.67164119956834 1975 18.543378610916065 1976 77.46969431301204 1977 39.151336844771976 1978 14.244615652030362 1979 11.742790878794167 1980 10.193196689094293 1981 3.5545587189089787 1982 3.0031860937912143 1983 -22.045706708612144 1984 17.19783122631044 1985 -10.1290844167021 1986 38.88739089394235 1987 16.088542385693046 1988 12.498412095556617 1989 -12.72791451344159 1990 63.464255384660646 1991 13.84407699240056 1992 8.334825073973278 1993 23.678425164103928 1994 17.02523522232285 1995 8.185815987271127 1996 -14.31519126431742 1997 -9.179179581533504 1998 7.132893390848821 1999 -18.738060592708166 2000 -3.282238938717555 2001 -3.9001203669524074 2002 6.249403795434262 2003 21.583462217354636 2004 9.365394375585907 2005 7.083977261419932 2006 2.4297468423248034 2007 9.08764366322113 2008 12.572561849733745 2009 -10.329440401842646 2010 34.844580957853424 2011 1.770403064893884 2012 -5.714887913343745 2013 4.965372741385664 2014 2.083060311324857 2015 -2.988069011588806 2016 0.9228859611995119 2017 12.277128944449828 2018 8.228424237465177 2019 -1.9575002273031288 2020 -15.181712636522988 2021 21.809173368827416 2022 9.448664642734371 2023 14.103142118247575