Year annual % growth 1976 28.436636316528705 1977 18.328053687283102 1978 13.74437982695855 1979 6.474686210748473 1980 8.361321321547763 1981 3.6487225889426895 1982 23.028697509840583 1983 35.00778163265949 1984 7.8269109032646895 1985 8.806901305856655 1986 9.430737320609524 1987 17.739097770116857 1988 15.186593946310452 1989 -3.479301671347585 1990 -0.26038707966137054 1991 3.5084047661396767 1992 -4.59881883365037 1993 -0.8972054785659935 1994 6.845266089607421 1995 10.8852267501303 1996 13.470336891893652 1997 12.941346526108589 1998 -18.193553300067308 1999 27.648538407425647 2000 0.8033061317242414 2001 -4.344324198413062 2002 7.345978462523391 2003 -6.999482861927262 2004 7.389013257547106 2005 18.190767710166284 2006 3.132851261722564 2007 8.79573205223521 2008 -11.784656565828186 2009 -32.028926806165416 2010 18.20090463837569 2011 -0.8107978896969144 2012 16.78476893626268 2013 39.66843487953818 2014 1.1542197542918586 2015 -7.36013194477529 2016 -8.368400699969357 2017 -5.457448650553971 2018 11.882410587473188 2019 -8.817692241361812 2020 -18.575868216706922 2021 31.673251802231704 2022 -5.346939179452093 2023 -16.207236002242936