Year	Percent change
2001	-3.979
2002	6.312
2003	-0.342
2004	-2.104
2005	4.303
2006	17.511
2007	10.865
2008	19.409
2009	-0.438
2010	6.883
2011	1.547
2012	6.992
2013	0.933
2014	4.14
2015	14.85
2016	4.369
2017	5.343
2018	1.64
2019	2.24
2020	2.225
2021	2.23
2022	2.17
2023	2.14
2024	2.14