Year	annual %
1998	5.807977087880701
1999	7.368437195959714
2000	0.5832435594441705
2001	3.6008008675514986
2002	-1.9630402768877673
2003	1.57767229894597
2004	2.7807888985085754
2005	0.9846020625079603
2006	2.2670351430148514
2007	5.6528445884932665
2008	-1.5639911152629509
2009	-11.357524933108593
2010	-7.115513727370811
2011	-10.817460010123199
2012	-8.83170788811384
2013	-1.2400349845254652
2014	-1.0116625866935607
2015	1.739978528187521
2016	1.545832737971324
2017	-0.39528559449556155
2018	1.1967572172739267
2019	1.9999865941013866
2020	-6.178501366448614
2021	9.305191412319715