Year annual % growth 1971 5.974841030730829 1972 2.684753418883261 1973 0.45410840899940297 1974 -8.643837522388651 1975 -4.498425644907115 1976 3.5013358624397455 1977 4.490293152210683 1978 4.834495868258571 1979 6.20412290914048 1980 2.2558360820240466 1981 -4.667174090261071 1982 -4.561264511473638 1983 2.9992975524441903 1984 0.1496817907347321 1985 0.6793479656381152 1986 3.184887042852907 1987 2.0795168202709675 1988 5.048044543919403 1989 7.232590312204806 1990 7.995906246049174 1991 5.31858862893219 1992 4.468374920753675 1993 -4.52606536915286 1994 3.5740885097002035 1995 -0.19170907591001196 1996 -0.44417901674626137 1997 0.5185106263429589 1998 4.018714800373502 1999 4.3016947371546905 2000 2.0787268052917796 2001 -2.6104856753294 2002 -6.083861759479376 2003 -1.62245318275626 2004 -0.44540883458171265 2005 0.8948012057728505 2006 7.5383500165654596 2007 3.610833178322139 2008 1.5811553511466485 2009 -9.455739976011941 2010 5.274238203405531 2011 7.387246507013543 2012 -0.22757849643085137 2013 -1.296008298888978 2014 3.245797914462486 2015 1.7397504719752135 2016 3.8099997359021245 2017 2.620171600971716 2018 3.351169432759619 2019 1.7257032955144922 2020 -2.4464291019823463 2021 -0.1555919850367502 2022 0.11916814434671608 2023 -0.6500647549997751