Annual annual % growth
1971 14.865828619428683
1972 -8.368938964171619
1973 27.268897436380882
1974 8.380203473149479
1975 33.07325513363264
1976 64.41876672809715
1977 -21.306930508283642
1978 -33.23591789745079
1979 -51.65546524182476
1980 212.18984379684207
1981 44.638209423998745
1982 4.141605355962071
1983 -5.8413544710513605
1984 -2.6432381527925912
1985 -16.21059360803244
1986 -18.378829710018252
1987 -26.368415923869676
1988 37.11977757985076
1989 -12.5966417751697
1990 -13.159547264471882
1991 27.076218895500844
1992 -17.79595249888925
1993 -16.521357454412737
1994 25.562996534365
1995 -5.0348000344334025
1996 13.521196461008827
1997 7.48750809625507
1998 10.019494649938167
1999 -2.331294694640775
2000 -18.000894239549652
2001 27.215405670791128
2002 11.202868055565858
2003 1.64502477653528
2004 -1.126138908124858
2005 12.240753661359506
2006 -2.4328687582518427
2007 0.42675821663226543
2008 6.999752052271319
2009 3.9461445569811957
2010 3.914249417018027
2011 15.423402396778869
2012 11.935635361996418
2013 12.728321181443846
2014 15.827286237188474
2015 5.058513556114292
2016 1.2142609646183473
2017 1.1465004589132946
2018 27.998629997773406
2019 6.631992884708865
2020 -7.643899140387404
2021 3.310400709426034