Year Percent 1992-01-01 0.5535590000000000 1993-01-01 1.5916600000000000 1994-01-01 1.8719000000000000 1995-01-01 1.1219500000000000 1996-01-01 0.5915810000000000 1997-01-01 1.1072200000000000 1998-01-01 1.6030700000000000 1999-01-01 0.9212180000000000 2000-01-01 0.4867890000000000 2001-01-01 0.4867890000000000 2002-01-01 0.4867890000000000 2003-01-01 0.4867890000000000 2004-01-01 2.5609000000000000 2005-01-01 2.1691200000000000 2006-01-01 0.9741139999999999 2007-01-01 0.9741139999999999 2008-01-01 0.9741139999999999 2009-01-01 0.5871520000000000 2010-01-01 0.5330630000000001