Year	Percent
1995-01-01	39.7228
1996-01-01	23.2550
1997-01-01	16.5111
1998-01-01	21.4280
1999-01-01	35.6118
2000-01-01	13.7080
2001-01-01	23.9056
2002-01-01	15.2907
2003-01-01	13.8293
2004-01-01	21.4409
2005-01-01	25.2003
2006-01-01	21.6289
2007-01-01	34.0722
2008-01-01	26.1613
2009-01-01	22.8194
2010-01-01	23.6993
2011-01-01	22.2352
2012-01-01	15.6823
2013-01-01	20.1815
2014-01-01	11.1537
2015-01-01	9.9318
2016-01-01	17.9970