Year	Percent
1995-01-01	0.24564299999999997
1996-01-01	0.19684300000000002
1997-01-01	8.52914000000000000
1998-01-01	7.92560000000000000
1999-01-01	8.64498000000000000
2000-01-01	8.36261000000000000
2001-01-01	8.43450000000000000
2002-01-01	8.35226999999999900
2003-01-01	8.16442000000000000
2004-01-01	9.29836000000000000
2005-01-01	10.59500000000000000
2006-01-01	10.43350000000000000
2007-01-01	11.65490000000000000
2008-01-01	8.47060000000000000
2009-01-01	11.05520000000000000
2010-01-01	12.42430000000000000
2011-01-01	12.01990000000000000
2012-01-01	14.14080000000000000
2013-01-01	15.49800000000000000
2014-01-01	18.51610000000000000
2015-01-01	21.47830000000000000
2016-01-01	21.62160000000000000