Year	annual % change
1997	9.168899536132812
1998	18.993200302124023
1999	-3.700000047683716
2000	-9.5137910843
2001	1.9977611303
2002	78.25
2003	42.0600013733
2004	128.5
2005	-6.9462833365
2006	74.2746074496
2007	94.97164351008149
2008	-66.8533570622
2009	16.1436392694
2010	-20.313172517033085
2011	-30.7419738669996
2012	1.7513067612559
2013	11.971569804179
2014	2.91895225768473
2015	-14.6760624339472
2016	-7.33040538066519
2017	25.390350344518
2018	-7.24115939589998
2019	15.1850958356661
2020	10.5847176907091
2021	30.0612399469123
2022	-23.9222952962532