Year	annual % growth
1981	0.3114547868625266
1982	2.904480048453962
1983	-33.50205771854067
1984	5.925580227818685
1985	14.690791464178815
1986	10.646021253703111
1987	-13.64758361852698
1988	38.682831701367576
1989	29.807227043371682
1990	-16.496913228184752
1991	-6.756905733565418
1992	2.9097651567488327
1993	42.31289776785292
1994	8.183887987883807
1995	-0.5207484621895873
1996	33.96537461573337
1997	20.539110684947133
1998	39.50867682487328
1999	22.040851850140953
2000	-22.718940036724533
2001	22.222221786839285
2002	-16.00007258388638
2003	-29.87010260818394
2004	-5.730410286624803
2005	5.675538806086735
2006	5.958409596446643
2007	28.309904039859873
2008	-16.583025539934113
2009	-5.671273908495294
2010	51.16545949042538
2011	-2.7010270557582317
2012	16.833021868148904
2013	19.24410453277052
2014	-0.07351288004346657
2015	0.9919410758976426
2016	4.383862682801748
2017	4.46361972858989
2018	-6.073628303059763
2019	6.220231799282743
2020	-14.530230899435296
2021	-22.78893885078432
2022	6.94811767903019
2023	8.195959854097751