Year	annual %
1981	-4.758857314039517
1982	-3.692586142330555
1983	-9.316554351721123
1984	-4.294641183742684
1985	-9.052388595857536
1986	-4.761086806145798
1987	9.487425582780133
1988	-16.375067839844334
1989	5.58992858184277
1990	-19.272021502098156
1991	-1.563695602226872
1992	-8.28511335055508
1993	5.881031315638424
1994	-18.87183124499694
1995	23.188609207967815
1996	4.810835766110785
1997	-17.926078887412473
1998	-4.111001901286073
1999	-6.6079671741971
2000	-0.681278376868832
2001	21.513126155850486
2002	16.358602840745107
2003	2.511697754367816
2004	0.5580544461461585
2005	-1.1592427305432977
2006	-1.2043440208661451
2007	7.399075872279369
2008	6.239314615837628
2009	3.699728475370449
2010	-14.824726718432728
2011	25.025831055501286
2012	8.85608936716396
2013	27.733741070910284
2014	-17.21595263494163
2015	-2.565081883630441
2016	7.996782669750672
2017	-2.6788691640013127
2018	-8.957969261995942
2019	-2.597218758522544
2020	3.0366552282363983
2021	45.877348880378804
2022	5.1178200380790315
2023	1.6954954190452582