Year	annual % growth
1981	7.912411975150135
1982	-5.059178137672717
1983	10.689905060428288
1984	-9.283626788499333
1985	-4.040664696352209
1986	3.7555170167151033
1987	-9.589884888468035
1988	4.995112206177879
1989	-4.2292117223920656
1990	-2.727272503901787
1991	3.6486463374439495
1992	0.2007023438838047
1993	-8.893739931699358
1994	-53.326420428024576
1995	83.44963517277665
1996	-7.151841609466075
1997	7.751583174268248
1998	4.710964955106519
1999	25.57093397982206
2000	11.592366019317794
2001	4.086121240548664
2002	9.8436898060245
2003	-5.969366965586076
2004	8.49517485249531
2005	8.574363558508665
2006	11.529516652250976
2007	4.601814495813002
2008	-1.5019950798608477
2009	5.660213231208019
2010	4.192732878661218
2011	6.664978794984492
2012	5.102598121234706
2013	1.9408260440087162
2014	4.360790685288649
2015	8.799647496621361
2016	2.2668753940831436
2017	0.7580783889136029
2018	5.736881647196995
2019	7.466267170942146
2020	-5.839452640002051
2021	8.134816513703939