Year annual % growth 1971 4.735851642916813 1972 0.4407441218834407 1973 2.6816195534968585 1974 2.6590686470918428 1975 -28.168362837813135 1976 -5.194247133838232 1977 0.9055914246693675 1978 7.224591381994074 1979 14.35446749433298 1980 14.40073194495713 1981 -7.588073916090792 1982 1.5166361570840223 1983 4.225989400466233 1984 -7.225363162075283 1985 2.906648192770305 1986 14.594457922509221 1987 0.2869035162262463 1988 2.3057268297246765 1989 7.726884226043197 1990 12.017709633360312 1991 -8.398863066975807 1992 -4.528269921832788 1993 -0.779933047389946 1994 5.089351787955536 1995 3.100979235728758 1996 -0.7098135376601675 1997 -3.9701696481639033 1998 9.9360478948538 1999 1.2555948133465336 2000 1.034537598783686 2001 2.7557837887497953 2002 -1.8094760078206917 2003 1.3018401579611378 2004 -4.29287218068653 2005 11.43285434937036 2006 4.008468959278758 2007 -3.213865940804567 2008 5.364384602960357 2009 1.967014296844809 2010 -3.671890276903767 2011 12.443927881665573 2012 -5.900977206874487 2013 -7.553428929515633 2014 4.158845069332486 2015 1.4180099109646136 2016 0.6882503816215291 2017 2.643594166863636 2018 2.330535907172674 2019 3.995434404075013 2020 3.315819744965154 2021 -5.003895942580144 2022 0.05324490066502108 2023 0.06548536305372465