Year	Percent change
1993	-16.225
1994	-17.099
1995	-1.875
1996	-2.189
1997	-2.239
1998	9.578
1999	-1.134
2000	-22.003
2001	5.781
2002	11.681
2003	4.949
2004	16.733
2005	11.123
2006	10.752
2007	1.43
2008	-2.329
2009	-11.68
2010	18.806
2011	-0.638
2012	-2.103
2013	5.682
2014	8.572
2015	10.226
2016	5.241
2017	8.667
2018	8
2019	7.9
2020	7.4
2021	7.3
2022	7.3
2023	7.2
2024	7