Year	annual %
1991	83.5495126683364
1992	1065.32923018531
1993	747.12452012683
1994	1386.06739767987
1995	545.656352266205
1996	26.4191629382316
1997	9.24250444099582
1998	-0.96513336719066
1999	2.16214167529371
2000	12.4927738128452
2001	2.51501022581932
2002	4.21438623360075
2003	6.96146570847378
2004	9.25196510735844
2005	14.7234965182528
2006	11.3012191438311
2007	21.0293287543152
2008	27.777459536561
2009	-18.8449572890202
2010	13.5458167908374
2011	22.524361140543
2012	2.88293295403217
2013	0.445064509020867
2014	-1.28499552026639
2015	-8.84969256895297
2016	14.6714002511137
2017	16.1724003104411
2018	12.1848769569655
2019	-0.241307927446329
2020	-7.39596582740913
2021	21.5888241949245
2022	37.2705611565603
2023	-9.20663944963042