Year	Percent change
1998	10.826
1999	-4.195
2000	-7.88
2001	18.014
2002	-32.606
2003	17.666
2004	1.26
2005	-20.311
2006	-38.94
2007	-19.858
2008	-9.688
2009	21.083
2010	10.799
2011	72.821
2012	-17.391
2013	-3.022
2014	19.797
2015	-7.041
2016	-9.185
2017	8.808
2018	7.577
2019	-3.153
2020	1.268
2021	-2.755
2022	0.436
2023	-0.803
2024	1.432