Year annual % growth 1961 14.904608013176457 1962 -6.333072713057078 1963 9.568030050083465 1964 15.978372430138933 1965 1.1841985220326592 1966 8.857792043856165 1967 -5.060795812212177 1968 0.12214060128073356 1969 9.047419877659848 1970 -0.7135722561828288 1971 5.523452338795337 1972 3.024825534835827 1973 6.593081188324049 1974 6.304735844208167 1975 5.3036291771469735 1976 8.95938157249833 1977 3.0383091149273582 1978 -9.89445181255526 1979 11.425592591456876 1980 -16.14497619506288 1981 15.733301827347205 1982 7.813545672122601 1983 9.315672360191257 1984 -2.607214351709274 1985 5.942981372597458 1986 5.22390844052272 1987 -4.342276138091208 1988 9.399412478801977 1989 -0.13849594253477449 1990 -5.633193514320496 1991 3.190576137420848 1992 8.97481685380535 1993 -4.219756678550297 1994 0.11809085067140757 1995 6.82201818037835 1996 3.8892378763699895 1997 4.311118622425042 1998 -7.562359582925282 1999 5.124639713328662 2000 0.295668347554809 2001 0.40820850034171485 2002 -3.0183958793230374 2003 -6.150320945689614 2004 7.693302719658519 2005 0.5731637739475133 2006 2.312058908051327 2007 4.9934704418942175 2008 6.438589847373606 2009 4.633779324256835 2010 -3.6433685327011034 2011 -1.0243592898120966 2012 -0.4955644528183427 2013 4.197937520751353 2014 5.0816015547359825 2015 -0.2467920041792553 2016 -5.63427759652312 2017 2.253677455570724 2018 0.15408704982564814 2019 3.9359435924906307 2020 -5.787013453989758 2021 5.181335614804539 2022 -1.0123734533183324 2023 -2.412634408602159