Year annual % growth 1971 3.777493036024282 1972 3.3098694074611217 1973 5.79423965607549 1974 3.1464166986721267 1975 0.3095048063215984 1976 4.482587952466304 1977 2.981354636964653 1978 2.622941795321452 1979 6.759639226200818 1980 5.991509172474196 1981 1.6081772359737698 1982 0.9774094189142915 1983 -0.17931228372457042 1984 2.9512781673160617 1985 2.867004633666653 1986 4.064125465323912 1987 3.640944834347053 1988 4.088277771808265 1989 3.9694935478595994 1990 2.0446690001928687 1991 2.678573409530884 1992 1.7252680244679937 1993 -3.040038245680023 1994 1.5312610424957285 1995 1.5270538840406402 1996 1.0489250863149948 1997 3.488172940350111 1998 3.36587048367079 1999 2.7514613660441825 2000 2.6597643607301222 2001 0.6441681357319595 2002 -0.04220197813225468 2003 0.6749516861400906 2004 0.9715952662190546 2005 1.38664744898432 2006 1.3431072621745699 2007 1.1870987434269722 2008 -1.1321078227226877 2009 -1.5018138343218368 2010 1.050291778751884 2011 0.06477687720929737 2012 -3.7147913250602898 2013 -2.4441226377613106 2014 0.1746550681558432 2015 1.8321638763626424 2016 1.2469379270772833 2017 1.5386464294424798 2018 0.9337229865211043 2019 0.20690616507945947 2020 -10.411464538720267 2021 5.468292621500012 2022 4.900975637840574 2023 1.2158353460449405