Year Percent 1995-01-01 0.16763499999999998 1996-01-01 0.15424200000000002 1997-01-01 0.14565999999999998 1998-01-01 0.14388299999999998 1999-01-01 0.12438600000000000 2000-01-01 0.10973200000000000 2001-01-01 0.10957800000000000 2002-01-01 0.10879900000000000 2003-01-01 0.10639000000000001 2004-01-01 0.10639000000000001 2005-01-01 0.10639000000000001 2006-01-01 0.10639000000000001 2007-01-01 0.10639000000000001 2008-01-01 5.01323000000000000 2009-01-01 5.56382000000000000 2010-01-01 9.91631999999999900 2011-01-01 8.53482000000000000 2012-01-01 11.55510000000000000 2013-01-01 6.66476000000000000 2014-01-01 5.89865000000000000 2015-01-01 6.03473000000000100 2016-01-01 5.71024000000000000