Annual annual % growth
1971 5.374470883941427
1972 -0.4388998118579508
1973 3.792196147501386
1974 16.49025831320681
1975 13.914941867212121
1976 6.8618725999644
1977 6.609322142707768
1978 1.5249388344782915
1979 -0.9506347118210101
1980 5.256162022698447
1981 7.653921885185724
1982 -0.42727233701731393
1983 -7.222271351042636
1984 1.2842555498979777
1985 7.133125190535367
1986 -0.4879676398170716
1987 -1.4408180537547821
1988 -7.227339624022477
1989 -1.713873159721075
1990 8.37561492844101
1991 14.093110157573548
1992 5.394020259865755
1993 -6.005624938403315
1994 4.38263212478094
1995 0.6441967259151369
1996 1.0055174568149
1997 8.000852780981631
1998 3.0491222997466707
1999 -12.274308155085407
2000 5.904842951471693
2001 -3.469102856962806
2002 9.993323899360234
2003 -1.1688528778534106
2004 -4.200375945724801
2005 3.4129037317389646
2006 5.728402581644843
2007 6.235109023275669
2008 11.899287530851325
2009 8.16463789671917
2010 0.16267991237405965
2011 4.669950015651182
2012 4.45267699520366
2013 7.717058054487367
2014 4.8557625671272575
2015 3.6528042780939103
2016 -12.991974851741034
2017 12.409200530473868
2018 -2.9607891031000975
2019 0.7899397489547368
2020 -4.957431174828713
2021 2.126091837855327