Year	Percent change
1997	5.732
1998	-0.279
1999	2.841
2000	4.973
2001	4.573
2002	0.313
2003	0.547
2004	0.282
2005	3.582
2006	6.128
2007	1.492
2008	2.722
2009	-0.39
2010	2.208
2011	3.658
2012	2.05
2013	-0.066
2014	-0.923
2015	-1.031
2016	-1.067
2017	1.248
2018	1.369
2019	1.467
2020	1.615
2021	1.631
2022	1.752
2023	1.903
2024	2.014