Year	Percent
1995-01-01	50.7077
1996-01-01	42.6389
1997-01-01	29.7455
1998-01-01	27.1223
1999-01-01	30.7941
2000-01-01	31.4453
2001-01-01	33.1612
2002-01-01	34.2357
2003-01-01	37.5157
2004-01-01	47.5185
2005-01-01	55.7717
2006-01-01	63.3849
2007-01-01	73.8925
2008-01-01	80.8179
2009-01-01	81.0841
2010-01-01	79.7580
2011-01-01	83.2024
2012-01-01	90.3304
2013-01-01	95.5618
2014-01-01	97.2200
2015-01-01	97.9176
2016-01-01	98.6185