Year	annual % change
1997	-10.572799682617188
1998	4.419000148773193
1999	-12.100000381469727
2000	-25.5789470673
2001	-2.3691654205
2002	17.3600006104
2003	27.3600006104
2004	41.0999984741
2005	16.8660218623
2006	35.5533790402
2007	115.55635838150286
2008	-16.9392954111
2009	-10.7101824561
2010	19.324924385927833
2011	-15.1533511617011
2012	27.1939276115438
2013	37.4827405658476
2014	0.0443070411803248
2015	7.589782196825
2016	-1.25730575112568
2017	-2.48825226175259
2018	-33.9069118228698
2019	-7.86640828442945
2020	2.95949633496631
2021	19.4117505305322
2022	-8.21741851218569