Year	Percent
1993-01-01	7.6623199999999990
1994-01-01	8.0010400000000000
1995-01-01	8.5375300000000000
1996-01-01	5.8960900000000000
1997-01-01	3.2921199999999997
1998-01-01	3.5732000000000000
1999-01-01	4.3628300000000010
2000-01-01	5.1945000000000000
2001-01-01	10.5433000000000000
2002-01-01	16.9929000000000000
2003-01-01	19.4002000000000000
2004-01-01	15.2111000000000000
2005-01-01	13.3433000000000000
2006-01-01	12.9873000000000000
2007-01-01	12.1681000000000000
2008-01-01	12.3226000000000000
2009-01-01	14.8042000000000000
2010-01-01	16.0200000000000000
2011-01-01	17.7361000000000000
2012-01-01	20.0905000000000000
2013-01-01	19.0466000000000000
2014-01-01	19.0648000000000000
2015-01-01	15.6275000000000000
2016-01-01	12.7744000000000000