Year	annual % growth
1974	-3.4934661614266957
1975	-6.919058384651535
1976	-1.422176163932761
1977	-4.71275347446759
1978	6.491513445857365
1979	3.7027022647976935
1980	-0.5123526162040264
1981	9.073175540263165
1982	-4.815047815815859
1983	-0.46899741995541433
1984	-0.4343090050429339
1985	6.436675921299923
1986	1.4826887914405518
1987	1.3374436065183772
1988	0.3724975004224689
1989	0.36520217255633725
1990	4.770550553062662
1991	-3.308703759801233
1992	1.3777177509791443
1993	1.0722385869854918
1994	3.191852661046667
1995	1.8390598996758314
1996	1.0737194067403237
1997	0.3461237467088836
1998	2.217123565853413
1999	2.4656561174190443
2000	3.6786224144145905
2001	2.832097096049651
2002	1.8116361768974514
2003	2.3571254579286176
2004	5.948202469419755
2005	4.930408633546989
2006	6.808896264322243
2007	6.348502100059463
2008	4.309912364101194
2009	4.1240703974976896
2010	4.948506945414181
2011	4.359804399481277
2012	4.803783471174938
2013	4.342335592049835
2014	2.84763058861013
2015	4.6954808073023315
2016	5.600644134593708
2017	3.249309597976051
2018	7.876608536294867
2019	13.094135547311495
2020	2.987098766402241
2021	6.173487526235107