Year	Percent change
2001	16.181
2002	5.125
2003	-19.389
2004	3.247
2005	11.096
2006	-2.09
2007	1.7
2008	-4.772
2009	-9.555
2010	4.751
2011	13.241
2012	13.683
2013	0.185
2014	10.683
2015	14.031
2016	-4.079
2017	-10.692
2018	-3.562
2019	6.353
2020	7.35
2021	7.571
2022	6.745
2023	6.738
2024	6.579