Year annual % growth 1971 6.2875187824068774 1972 12.146253992319146 1973 9.553094901321984 1974 6.905395289974621 1975 -4.648740174650669 1976 17.417514136742767 1977 8.441411800626824 1978 -1.0083013306142874 1979 10.245892623134026 1980 5.707708252695511 1981 -0.6063338263734579 1982 -3.6289411622974654 1983 4.176909329891188 1984 6.643312340369633 1985 5.537944217730725 1986 -3.541242072973489 1987 3.833028059206839 1988 9.442468561257328 1989 10.158363478323395 1990 7.98032981267842 1991 5.114365035479224 1992 2.1161102560213862 1993 -5.48947203615937 1994 10.331530073042103 1995 5.904882624869174 1996 4.1708792754621555 1997 7.270200710629098 1998 5.757657248621271 1999 4.063807070290878 2000 10.18626732506327 2001 5.192321793685451 2002 0.2908227255342837 2003 3.5074129961937075 2004 7.975144598347072 2005 5.45504063949997 2006 5.8545568343194105 2007 5.634985840440862 2008 0.9542563431074029 2009 -11.899217666171637 2010 11.969515857915368 2011 5.954271602072538 2012 0.9236274119537597 2013 0.6940516338590754 2014 2.9566195546741483 2015 3.630202133780088 2016 3.7257406151771875 2017 5.289217846439016 2018 5.3476902124400425 2019 2.2477354344762546 2020 -10.01961250329741 2021 14.327804943814513 2022 7.878779122064543 2023 -1.765046459402086