Year	annual %
1991	162.58473963536
1992	932.494627906882
1993	53.6936062320566
1994	36.2517852107661
1995	29.3227114561017
1996	12.4342660093706
1997	5.88733415793435
1998	4.82382490013987
1999	1.49184828686271
2000	3.61822725593801
2001	2.30250075157525
2002	5.07274915115785
2003	5.01810737439072
2004	7.06230062105652
2005	11.199010819183
2006	12.4335534677998
2007	20.0626710169173
2008	11.662247422828
2009	-9.65367579737001
2010	-0.360646954976275
2011	6.52344087085697
2012	3.63399957602259
2013	1.71841948890339
2014	1.915588014642
2015	0.115712474014657
2016	0.863392494557075
2017	2.94787720841359
2018	3.89257047226215
2019	4.25589850087644
2020	2.07082155607836
2021	3.77323708612343
2022	11.8012689904466
2023	5.40867266156818