Annual annual % growth
1971 -8.154889380621157
1972 -9.445776515514439
1973 14.77243768495677
1974 35.4293032699656
1975 -21.58364754215792
1976 23.91509549337249
1977 12.835854528891417
1978 13.711222010519307
1979 -7.2330985672577555
1980 8.024351508926173
1981 18.146696523126153
1982 -3.3276348501591144
1983 8.107478509259394
1984 29.50473455193682
1985 -15.602994323077894
1986 -10.569956080742699
1987 4.0336925942398665
1988 22.387143580690875
1989 2.353189952985261
1990 11.924835983401309
1991 24.222989196068553
1992 2.725107644075436
1993 20.24626098794195
1994 7.6318243316119805
1995 18.724714191089987
1996 8.941810694438956
1997 9.578385980659363
1998 -10.629714572947364
1999 8.342314945602581
2000 11.092502618126247
2001 -5.697037711837979
2002 16.262948998969293
2003 3.5128698855066034
2004 15.13374063543364
2005 1.1861020706730727
2006 10.573549876473251
2007 10.213688531789458
2008 7.470463227233594
2009 -6.622003937771041
2010 11.892979786832854
2011 7.77886079843195
2012 2.9115429050849997
2013 1.648695509677367
2014 2.460930869925292
2015 8.153847140816083
2016 4.2741537896768165
2017 5.02398602772935
2018 2.3741650753923835
2019 6.9986026565929365
2020 -3.7170135956576758
2021 0.6733189801981752