Year	Percent
1994-01-01	4.0758000000000000
1995-01-01	3.2198300000000000
1996-01-01	3.8560000000000003
1997-01-01	5.3784600000000000
1998-01-01	6.1196100000000000
1999-01-01	7.9334500000000000
2000-01-01	9.3731000000000000
2001-01-01	8.5395800000000000
2002-01-01	8.3353500000000000
2003-01-01	9.3056600000000010
2004-01-01	13.3180000000000000
2005-01-01	15.6884000000000000
2006-01-01	23.2233000000000000
2007-01-01	25.7148000000000000
2008-01-01	24.2400000000000000
2009-01-01	28.9591000000000000
2010-01-01	25.7585000000000000
2011-01-01	19.5251000000000000
2012-01-01	18.8380000000000000
2013-01-01	16.5557000000000000
2014-01-01	18.3420000000000000
2015-01-01	19.7431000000000000
2016-01-01	26.0762000000000000