Year	Percent change
1998	-39.106
1999	-39.409
2000	22.511
2001	-3.823
2002	7.163
2003	-28.238
2004	9.1
2005	3.3
2006	20.547
2007	-10.86
2008	-21.362
2009	34.761
2010	18.085
2011	564.176
2012	-9.104
2013	5.305
2014	23.413
2015	-31.635
2016	-22.707
2017	10.657
2018	22.044
2019	-6.212
2020	0.863
2021	-8.723
2022	1.651
2023	2.473
2024	9.148