Year	Percent
1995	0.9736
1996	0.98157
1997	0.99518
1999	1.01212
2000	1.02281
2001	1.03669
2002	1.03067
2003	1.02827
2004	1.02626
2005	1.02564
2006	1.0369
2007	1.03963
2008	1.04296
2009	1.04206
2010	1.04276
2011	1.05968
2012	1.05211
2013	1.06089
2014	1.05698
2015	1.05957
2016	1.06138