Year annual % growth 1961 -1.074710467537571 1962 2.338342089833546 1963 10.335118396190808 1964 3.1209263554356 1965 4.98098274732115 1966 3.043843967440779 1967 4.504597727889632 1968 2.982588611651778 1969 4.980190774150103 1970 6.45000062358028 1971 6.971851104384186 1972 6.850127903390145 1973 3.854673002372081 1974 12.334806524524694 1975 13.30823032747847 1976 6.261112037140819 1977 6.594021043921842 1978 1.6642546637186513 1979 1.1451246085133988 1980 4.220474553271927 1981 2.7573337227936463 1982 3.4692892929668773 1983 9.246127449254928 1984 4.181432263283995 1985 5.547802324725026 1986 -2.111131814269001 1987 0.6937332844869246 1988 3.014057414379195 1989 1.8099781674039406 1990 7.635067705335999 1991 6.205467536797954 1992 6.204963949098058 1993 3.4199164802635806 1994 -1.2881739269781889 1995 1.0248051445427109 1996 5.444555468099097 1997 2.9470648764594785 1998 5.0824951334302 1999 0.9539313865424219 2000 4.671656002142782 2001 4.418995225955797 2002 5.697808329798718 2003 3.278752875478446 2004 5.544820204247316 2005 5.917455383339103 2006 5.165989594675182 2007 9.23767270418982 2008 3.4013094279024614 2009 6.483082999616798 2010 5.315959924206865 2011 2.43982338505009 2012 4.607975846920581 2013 0.49404839505402265 2014 2.260832589778687 2015 -0.8090456461097233 2016 3.2919789414224567 2017 1.456236305916974 2018 -0.1839969952622198 2019 0.8752489437561053 2020 -1.235921493147714 2021 5.776652380575342 2022 3.7565198854677675 2023 2.4360130486509775