Year	annual %
1991	83.54951266833643
1992	1065.3292301853148
1993	747.1245201268301
1994	1386.0673976798653
1995	545.6563522662046
1996	26.419162938231594
1997	9.242504440995816
1998	-0.9651333671906599
1999	2.162141675293711
2000	12.492773812845243
2001	2.5150102258193243
2002	4.214386233600749
2003	6.961465708473781
2004	9.251965107358444
2005	14.723496518252773
2006	11.301219143831062
2007	21.02932875431516
2008	27.77745953656097
2009	-18.84495728902023
2010	13.545816790837435
2011	22.524361140542993
2012	2.882932954032171
2013	0.4450645090208667
2014	-1.284995520266392
2015	-8.849692568952975
2016	14.67140025111371
2017	16.172400310441134
2018	12.184876956965468
2019	-0.24130792744632856
2020	-7.395965827409128
2021	21.58882419492447
2022	37.27056115656032
2023	-9.206639449630416