Year	Percent
1996-01-01	76.7039
1997-01-01	81.8819
1998-01-01	67.2080
1999-01-01	41.9075
2000-01-01	44.7381
2001-01-01	43.5853
2002-01-01	42.7899
2003-01-01	41.4111
2004-01-01	42.9275
2005-01-01	53.1224
2006-01-01	139.2760
2007-01-01	55.5935
2008-01-01	60.1549
2009-01-01	59.2009
2010-01-01	43.3696
2011-01-01	42.1115
2012-01-01	52.8114
2013-01-01	58.1739
2014-01-01	60.4296