Year Percent 1994-01-01 0.7330090000000000 1995-01-01 0.7425670000000000 1996-01-01 0.7428580000000000 1997-01-01 0.7475210000000000 1998-01-01 0.8124399999999999 1999-01-01 0.9160900000000000 2000-01-01 0.9792180000000000 2001-01-01 0.9111160000000000 2002-01-01 0.9909230000000000 2003-01-01 0.9798040000000001 2004-01-01 1.0808000000000000 2005-01-01 0.9868930000000000 2006-01-01 0.9473650000000000 2007-01-01 0.9474190000000000 2008-01-01 0.9048950000000001 2009-01-01 0.8987530000000000 2010-01-01 0.8040550000000000 2011-01-01 0.6806640000000000 2012-01-01 0.6382970000000000 2013-01-01 0.6235700000000000 2014-01-01 0.6335710000000000 2015-01-01 0.6197690000000000 2016-01-01 0.6110830000000000