Year annual % growth 1971 6.7195297905467015 1972 8.362588768764297 1973 14.563786636668553 1974 14.65065914105574 1975 4.959472635852634 1976 1.723400397432954 1977 2.349720429885167 1978 3.4686204931822147 1979 6.641121640770592 1980 13.798541407541137 1981 -0.9236431104880012 1982 -16.49795897151722 1983 -21.171514062430447 1984 1.8270283112369725 1985 13.011624177517064 1986 0.12918073783841066 1987 4.311622076252803 1988 0.4460157136387579 1989 -0.6315065841282035 1990 -2.5717851572417203 1991 8.98432182881703 1992 7.397173924324491 1993 7.979991675087845 1994 15.108188747826844 1995 -6.824375451143538 1996 6.422533634926836 1997 11.397678469122269 1998 3.451501562381594 1999 -7.781053063427564 2000 5.375976122750899 2001 -3.838849005257714 2002 -4.716263993994801 2003 2.116899953230771 2004 10.237913754118068 2005 3.434046634789965 2006 10.205021212469816 2007 12.816617731514441 2008 11.41048181529807 2009 -15.232306520613207 2010 20.336056951991026 2011 9.284652670413294 2012 -0.36329940992342813 2013 2.770176651994902 2014 -1.700327707804533 2015 -5.784250483576741 2016 -6.084020826487759 2017 3.5305788943704215 2018 1.0917258601383963 2019 -2.879927072949201 2020 -13.010511251473815 2021 20.040503125484648 2022 5.903885343469824 2023 -0.40090005812520246