Year annual % growth 1969 0.8018910344078591 1970 5.917057939422563 1971 4.093878523625122 1972 3.2465849284930073 1973 -3.40784944468092 1974 7.015903989177772 1975 -1.250610071423182 1976 10.330430201097343 1977 5.538945126371502 1978 -2.260801437662792 1979 -2.7435620223366612 1980 3.01819129838654 1981 2.807730859610814 1982 8.995416173054991 1983 -1.061855136566919 1984 3.737228578381348 1985 5.611084888147829 1986 8.300826810240153 1987 2.729482281594727 1988 4.082051993680636 1989 9.526572898904703 1990 -0.7316301631677362 1991 2.272880858384511 1992 5.48113255339382 1993 0.24927347734220007 1994 5.489008716486438 1995 -2.1086208091585235 1996 8.458631528562123 1997 0.9171192571533027 1998 7.513581141654257 1999 0.90872894503255 2000 -2.71624581751648 2001 4.877941840864921 2002 3.7980212772247057 2003 1.979776084377022 2004 1.552692738379747 2005 3.5037327016684117 2006 5.928094562004588 2007 -5.268966549555714 2008 1.2039651646205556 2009 6.593727209612894 2010 2.8601078469731647 2011 5.181628696150199 2012 1.0779821558402034 2013 5.7448859505288254 2014 -0.5628259148624295 2015 -0.2830555820659555 2016 0.8333470258027091 2017 2.4129820937962165 2018 3.771483141905634 2019 4.143385428822114 2020 1.4864478442450775 2021 0.8679078194739702 2022 -0.8032411915173725 2023 3.337391364879849