Year	Percent change
1996	2.085
1997	7.611
1998	9.66
1999	5.212
2000	14.804
2001	9.443
2002	0.92
2003	8.827
2004	29.722
2005	18.207
2006	14.291
2007	11.028
2008	4.226
2009	-9.826
2010	14.664
2011	9.166
2012	4.279
2013	0.187
2014	8.65
2015	6.017
2016	4.34
2017	6.723
2018	4.17
2019	3.72
2020	4
2021	4
2022	4
2023	4
2024	4