Year	Percent
1993-01-01	14.8616000000000000
1994-01-01	16.8018000000000000
1995-01-01	10.4003000000000000
1996-01-01	5.2961199999999990
1997-01-01	4.7728300000000000
1998-01-01	5.5391699999999995
1999-01-01	6.3178300000000010
2000-01-01	8.4117300000000000
2001-01-01	12.3273000000000000
2002-01-01	15.9851000000000000
2003-01-01	18.3652000000000000
2004-01-01	21.6328000000000000
2005-01-01	27.8367000000000000
2006-01-01	37.0127000000000000
2007-01-01	46.9677000000000000
2008-01-01	48.9274000000000000
2009-01-01	48.7820000000000000
2010-01-01	39.5540000000000000
2011-01-01	33.1476000000000000
2012-01-01	33.8810000000000000
2013-01-01	32.9801000000000000
2014-01-01	32.8871000000000000
2015-01-01	32.4581000000000000
2016-01-01	30.6148000000000000