Year	Percent change
1996	11.141
1997	-16.31
1998	11.564
1999	8.06
2000	21.255
2001	26.302
2002	49.785
2003	19.236
2004	-9.741
2005	20.32
2006	-18.56
2007	2.804
2008	-9.254
2009	-24.83
2010	25.313
2011	8.078
2012	11.579
2013	13.431
2014	9.901
2015	8.676
2016	20.698
2017	16.369
2018	3.069
2019	8.916
2020	5.241
2021	5.292
2022	5.41
2023	5.414
2024	4.969