Year	Percent
1998-01-01	50.00000000000000
1999-01-01	23.70730000000000
2000-01-01	25.00000000000000
2001-01-01	50.00000000000000
2002-01-01	50.00000000000000
2003-01-01	50.00000000000000
2004-01-01	50.00000000000000
2005-01-01	146.85299999999998
2006-01-01	88.21660000000000
2007-01-01	38.32010000000000
2008-01-01	36.63460000000000
2009-01-01	28.48470000000000
2010-01-01	32.53320000000000
2011-01-01	44.56420000000000
2012-01-01	41.10180000000000
2013-01-01	29.64010000000000
2014-01-01	32.71500000000000