Annual annual % growth
1971 -5.487072740344175
1972 11.23183052710057
1973 11.370975750619579
1974 15.720135466604205
1975 -11.331880883632067
1976 11.227162935828488
1977 -0.8581210243551425
1978 5.1451275769263844
1979 1.6624238917804348
1980 2.735194901250253
1981 3.59055458668378
1982 14.704325509259604
1983 4.33508919382777
1984 2.45570425525257
1985 4.827685097539529
1986 6.376882243775157
1987 3.5910976211553276
1988 7.826099711870583
1989 9.287961005137475
1990 5.31712780957578
1991 8.333212848359153
1992 -0.25548175033497955
1993 5.08797134732086
1994 0.8451419590074067
1995 5.313468763278095
1996 2.9546304674619535
1997 5.755352796742997
1998 -0.19796247197568562
1999 8.847117078993747
2000 3.138220174812048
2001 1.7113449037245942
2002 -2.161858566022005
2003 -2.058455803930329
2004 17.94682580181353
2005 4.895194137890584
2006 -4.367911402353968
2007 15.150355060573702
2008 -6.593357926502236
2009 -25.594315666287443
2010 16.10742045079536
2011 3.29170002574908
2012 15.715887195876803
2013 -3.915896233426011
2014 5.998492893370425
2015 -11.430064314027831
2016 6.604977656920781
2017 11.014349283811441
2018 0.8944941569602776
2019 -5.749864445001279
2020 4.314110691665945
2021 12.268934459097352