Annual annual % growth
1973 -3.1731712789197957
1974 9.35218251994958
1975 0.9166807933289363
1976 3.711712798089195
1977 8.598449863210519
1978 13.313336041175688
1979 -11.994827185497357
1980 32.73451797231837
1981 17.80954625558286
1982 5.202556393783027
1983 6.4720652377498595
1984 1.8415243501572292
1985 4.476659086222796
1986 -10.787980806697448
1987 -14.53322700878789
1988 -3.0483712535164074
1989 3.7911298992198965
1990 -0.7321465958396232
1991 -2.812343451978734
1992 -2.31777067696693
1993 -8.099075652089127
1994 0.7334154379685884
1995 -1.1313793098892546
1996 -0.43383704222407005
1997 1.5850872358800245
1998 6.625736464721271
1999 -0.6264088436670932
2000 19.488188383995947
2001 -0.0497471547495536
2002 2.1667133302882178
2003 9.07805251095057
2004 6.443029142988934
2005 10.430826488180884
2006 8.325639826748187
2007 7.173412310411777
2008 7.231077071917923
2009 -8.640844941612897
2010 13.649530895594594
2011 4.61639231280175
2012 8.975599554721896
2013 0.8439859012185877
2014 -0.7578843495428913
2015 -1.3647147190877291
2016 4.677232387852996
2017 1.6193662561267814
2018 -0.15385400539932448
2019 0.12446154556795364
2020 -6.14411790903246
2021 4.054725390603963