Year	annual % growth
1981	-2.4830285995973753
1982	0.7259083973437725
1983	-6.441207457893199
1984	-3.0050003501552425
1985	-3.734629613584289
1986	-1.388361628358851
1987	7.187626522287019
1988	-0.8121779523030881
1989	-2.4595665970483935
1990	-8.771970078585795
1991	2.1869708929569924
1992	-12.089571786242516
1993	7.0740293448868385
1994	-16.219159462664408
1995	17.39346310310397
1996	7.471678357412486
1997	-18.321131116220712
1998	-3.0107061420028884
1999	-4.051643515867298
2000	6.871274805846255
2001	25.857692963973193
2002	24.32654745721645
2003	5.677444984406051
2004	2.728794998704956
2005	1.7444533766369972
2006	1.789036130398955
2007	7.569491386209279
2008	9.275689519164246
2009	6.956117212347095
2010	-10.87334195484199
2011	25.52206304917
2012	12.077602949425966
2013	28.255964681901247
2014	-15.417995284309754
2015	1.4270559528428208
2016	11.232805788549129
2017	-0.6800709089251882
2018	14.432120825549347
2019	1.0628715273181655
2020	4.710252359663187
2021	28.51272431429652
2022	9.249379652605455
2023	4.820850604735668