Year	Percent change
1993	0.852
1994	-17.475
1995	16.005
1996	6.8
1997	25.1
1998	-4.601
1999	-3.874
2000	-3.873
2001	11.823
2002	18.175
2003	11.729
2004	5.212
2005	5.243
2006	8.257
2007	6.084
2008	3.956
2009	-20.391
2010	-2.468
2011	2.489
2012	-2.985
2013	3.111
2014	3.082
2015	9.163
2016	6.208
2017	8.137
2018	7.5
2019	6.882
2020	6.2
2021	7.378
2022	7.292
2023	6.051
2024	6