Year	Percent
1994-01-01	17.5740000000000000
1995-01-01	4.3190000000000000
1996-01-01	5.1248400000000000
1997-01-01	5.8058600000000000
1998-01-01	10.2036000000000000
1999-01-01	6.4886300000000010
2000-01-01	5.9241800000000010
2001-01-01	7.0396600000000005
2002-01-01	7.3877800000000000
2003-01-01	9.1182900000000000
2004-01-01	11.2684000000000000
2005-01-01	13.1648000000000000
2006-01-01	16.0885000000000000
2007-01-01	19.5681000000000000
2008-01-01	22.5936000000000000
2009-01-01	31.1292000000000000
2010-01-01	34.4339000000000000
2011-01-01	29.6261000000000000
2012-01-01	21.1662000000000000
2013-01-01	19.1606000000000000
2014-01-01	20.2682000000000000
2015-01-01	22.1272000000000000
2016-01-01	22.6771000000000000