Year	Percent
1993-01-01	14.199800000000000
1994-01-01	39.679200000000000
1995-01-01	34.712600000000000
1996-01-01	54.287400000000000
1997-01-01	49.182600000000000
1998-01-01	43.721000000000004
1999-01-01	38.642100000000000
2000-01-01	68.615800000000000
2001-01-01	37.605900000000000
2002-01-01	59.471600000000000
2003-01-01	63.860400000000000
2004-01-01	81.351400000000000
2005-01-01	107.329000000000000
2006-01-01	70.067000000000000
2007-01-01	63.910600000000000
2008-01-01	51.169900000000000
2009-01-01	42.403200000000000
2010-01-01	29.234200000000000
2011-01-01	36.360600000000000
2012-01-01	28.134800000000000