Year Percent 1995-01-01 10.2140000000000000 1996-01-01 9.3757399999999990 1997-01-01 7.9591600000000010 1998-01-01 8.2729300000000000 1999-01-01 5.0555100000000000 2000-01-01 13.3642000000000000 2001-01-01 8.4173700000000000 2002-01-01 17.5819000000000000 2003-01-01 10.5566000000000000 2004-01-01 15.4067000000000000 2005-01-01 10.9774000000000000 2006-01-01 15.2620000000000000 2007-01-01 35.0198000000000000 2008-01-01 8.5191000000000000 2009-01-01 11.2893000000000000 2010-01-01 10.2727000000000000 2011-01-01 2.0595500000000000 2012-01-01 3.6306199999999995 2013-01-01 3.2636400000000000 2014-01-01 2.4374800000000000 2015-01-01 2.1446500000000000