Year	Percent
1995	3.10309
1996	6.39349
1997	7.98466
1998	4.97423
1999	4.61425
2000	4.08462
2001	2.07761
2002	1.6758
2003	2.69257
2004	4.11191
2005	4.78893
2006	7.94972
2007	8.78193
2008	4.02486
2009	-0.12377
2010	1.83308
2011	5.31645
2012	3.83593
2013	3.27058
2014	2.99929
2015	3.10915
2016	0.88317
2017	3.75909