Year	Percent
1995	1.50283
1996	1.40815
1997	1.4284
1998	1.42725
1999	1.34433
2000	1.25835
2001	1.23034
2002	1.26273
2003	1.27249
2004	1.3024
2005	1.22951
2006	1.28009
2007	1.30481
2008	1.24115
2009	1.37408
2010	1.2691
2011	1.23062
2012	1.27388
2013	1.28746
2014	1.34491
2015	1.40415
2016	1.43356