Year	Percent change
1999	10.257
2000	-7.592
2001	9.962
2002	4.068
2003	9.22
2004	2.217
2005	0.945
2006	-4.278
2007	0.752
2008	7.757
2009	-7.423
2010	-1.965
2011	3.144
2012	-3.733
2013	1.407
2014	8.05
2015	2.087
2016	4.956
2017	10.396
2018	1.757
2019	4.097
2020	7.616
2021	6.018
2022	5.316
2023	4.617
2024	4.653