Year	Percent change
2001	10.268
2002	0.183
2003	-1.09
2004	-5.252
2005	7.455
2006	6.243
2007	10.123
2008	12.196
2009	-18.898
2010	7.034
2011	-4.545
2012	-7.764
2013	-15.644
2014	3.891
2015	6.621
2016	11.388
2017	13.655
2018	4.186
2019	-2.997
2020	5.885
2021	5.2
2022	4.9
2023	4.8
2024	4.8