Year	Percent change
2001	11.029
2002	0.203
2003	5.42
2004	2.631
2005	3.833
2006	3.408
2007	8.301
2008	4.489
2009	3.597
2010	3.309
2011	4.377
2012	2.81
2013	3.442
2014	1.222
2015	4.103
2016	4.063
2017	4.226
2018	4
2019	4.2
2020	4
2021	4
2022	4
2023	4
2024	4