Year	Percent
1993	1.03938
1994	1.04047
1999	1.02503
2000	1.00796
2001	0.99604
2002	1.00529
2003	1.00027
2004	0.99161
2005	0.94828
2006	0.98939
2007	0.99743
2008	0.98852
2009	0.98644
2010	0.98571
2011	0.98496
2012	0.99094
2013	0.98641
2014	0.99414