Year	Percent change
1993	-7.5
1994	-1.8
1995	-1.1
1996	1.2
1997	1.351
1998	3.381
1999	4.348
2000	4.539
2001	-3.067
2002	1.494
2003	2.223
2004	4.674
2005	4.724
2006	5.137
2007	6.473
2008	5.472
2009	-0.359
2010	3.359
2011	2.34
2012	-0.456
2013	2.925
2014	3.629
2015	3.856
2016	2.848
2017	0.241
2018	2.665
2019	3
2020	3.1
2021	3.19
2022	3.3
2023	3.4
2024	3.54