Year	Percent change
1993	-7.645
1994	-5.488
1995	1.792
1996	-2.779
1997	-13.434
1998	-1.025
1999	-10.007
2000	23.2
2001	-19.368
2002	-16.067
2003	0.336
2004	25.989
2005	29.245
2006	20.133
2007	17.334
2008	-5.99
2009	-21.278
2010	43.237
2011	12.707
2012	1.32
2013	5.994
2014	18.097
2015	9.579
2016	14.425
2017	11.184
2018	12.479
2019	10.559
2020	8.804
2021	8.912
2022	8.719
2023	8.633
2024	8.499