Year	Percent
1994	0.9688
1995	0.79598
1996	1.13775
1997	1.14677
1998	1.14652
1999	1.04204
2000	1.08838
2001	0.81324
2002	0.82727
2003	1.08618
2004	1.26705
2005	1.27516
2006	1.25657
2007	1.09086
2008	0.94719
2009	1.22795
2010	1.23519
2011	1.11425
2012	1.18025
2013	1.30228
2014	1.52943
2015	1.74515
2016	1.8687
2017	1.69954