Year	Percent change
2002	8.947
2003	11.654
2004	26.755
2005	8.06
2006	13.314
2007	14.449
2008	3.394
2009	1.32
2010	25.265
2011	21.672
2012	9.237
2013	11.2
2014	-1.201
2015	-21.595
2016	-0.858
2017	9.704
2018	4.708
2019	4.302
2020	4.151
2021	4.126
2022	4.114
2023	4.116
2024	4.135