Year	annual % change
1997	5.324699878692627
1998	1.3555999994277954
1999	-6.699999809265137
2000	-19.3841285706
2001	-21.8046035767
2002	22.9099998474
2003	43.6899986267
2004	17.7999992371
2005	10.4748288058
2006	44.3430284041
2007	93.95969987258741
2008	-49.2384798793
2009	44.2173036783
2010	8.192344707753495
2011	-2.51310099183869
2012	-8.42717621228798
2013	25.3501263116144
2014	-7.03606791786021
2015	-19.3291167558203
2016	0.519643136491177
2017	28.2082002228255
2018	-4.17186958646181
2019	-0.44340948329193
2020	-29.3872336117236
2021	17.0695768217001
2022	-5.94095508971736