Year	Percent
1995-01-01	12.6200
1996-01-01	21.7214
1997-01-01	47.5003
1998-01-01	41.0124
1999-01-01	15.6583
2000-01-01	16.9982
2001-01-01	67.6805
2002-01-01	57.1389
2003-01-01	61.3711
2004-01-01	79.4186
2005-01-01	87.3390
2006-01-01	90.1425
2007-01-01	93.4832
2008-01-01	97.0479
2009-01-01	97.4006
2010-01-01	97.1426
2011-01-01	92.9256
2012-01-01	90.5660
2013-01-01	93.2199
2014-01-01	94.7257
2015-01-01	95.4748
2016-01-01	94.3097