Year	Percent change
1994	37.324
1995	19.382
1996	2.457
1997	11.986
1998	11.339
1999	-9.317
2000	-5.354
2001	12.366
2002	13.288
2003	14.002
2004	16.137
2005	16.699
2006	20.703
2007	12.982
2008	-6.161
2009	-30.606
2010	21.218
2011	27.225
2012	9.688
2013	2.014
2014	3.27
2015	-1.709
2016	5.51
2017	3.608
2018	6.12
2019	5.149
2020	4.775
2021	4.775
2022	4.801
2023	4.901
2024	4.976