Year	Percent change
1996	2.796
1997	2.667
1998	1.633
1999	1.919
2000	1.837
2001	1.319
2002	-0.162
2003	-0.244
2004	1.748
2005	4.084
2006	4.397
2007	3.641
2008	6.551
2009	7.714
2010	3.701
2011	4.056
2012	6.277
2013	2.154
2014	0.678
2015	-0.158
2016	0.472
2017	0.539
2018	2
2019	2
2020	2
2021	2
2022	2
2023	2
2024	2