Year annual % growth 1969 3.7084101984280977 1970 0.23099941893308085 1971 6.1369548624418115 1972 2.56899602374898 1973 5.844016431210733 1974 -1.4551158019160795 1975 -1.528826102180446 1976 11.625049135011196 1977 13.623438533754978 1978 6.348647195614149 1979 -1.463476333703042 1980 10.395677211570728 1981 -4.325839869227849 1982 1.508804297765053 1983 -7.378433046827453 1984 1.820873771244976 1985 -0.2870111547903349 1986 20.286634940345905 1987 2.6926208805090823 1988 -0.13916428957497828 1989 7.389721044684407 1990 4.177388109724561 1991 -2.5023951002448825 1992 11.745203792941567 1993 -3.2186624999846316 1994 3.1721681810981153 1995 3.7799340622121065 1996 0.9210223970134592 1997 7.05578539389839 1998 4.8290243479607255 1999 7.571667634431606 2000 -0.7795464694239485 2001 10.47454547929209 2002 2.6847811272297406 2003 5.344778135588314 2004 3.688173041072787 2005 8.764274865759461 2006 6.951259996185485 2007 7.326707425099158 2008 4.885430285158549 2009 -0.08924585554024134 2010 9.875979438611893 2011 7.357738334029264 2012 -2.9409706939218268 2013 7.257139655761364 2014 5.411089845411098 2015 6.866130311242486 2016 6.172113533787197 2017 5.207081126246479 2018 4.765011555846812 2019 5.209323440111845 2020 1.3563502217563297 2021 5.1348355468424245 2022 5.848167346648168 2023 5.975944827460538