Year	annual % growth
1971	0.8647228903626285
1972	9.844278497113052
1973	11.871069520568113
1974	-6.450902911954813
1975	-5.199162858609043
1976	3.6721684257260137
1977	3.0392442040036087
1978	7.502113899263321
1979	6.403360310297586
1980	-0.9318149074761379
1981	2.939838096097418
1982	-0.07698229415822766
1983	-2.4845602598092995
1984	5.42514869797202
1985	9.871405710648645
1986	5.179766942289746
1987	6.6481540246385435
1988	15.558972171721862
1989	9.21277388380308
1990	7.323094383054411
1991	2.9861479823749733
1992	-3.6110848404104274
1993	-3.0604227665031942
1994	-2.251344163076979
1995	4.2536051027815915
1996	7.148792318048635
1997	-1.668180170697724
1998	-4.874748411592492
1999	-4.5301751755751525
2000	2.9134431792702884
2001	-1.0857562598281447
2002	-6.154645578291905
2003	0.5203190168530369
2004	1.7818283845615497
2005	2.1916220431056814
2006	-0.0611716926643453
2007	-0.880873137036545
2008	-2.9021098973927764
2009	-15.966466350469062
2010	2.9081760923393745
2011	3.052666432848355
2012	2.9672776776858285
2013	2.495275132717836
2014	2.6045979428089794
2015	3.316981710463722
2016	0.7212436488950686
2017	2.1107800341617207
2018	1.1960968561841412
2019	0.06192837783483185
2020	-5.306664133498458
2021	1.583050836905926
2022	-0.15226365001021236