Year	Percent
1995-01-01	44.2329000000000000
1996-01-01	41.9145000000000000
1997-01-01	44.0796000000000000
1998-01-01	37.8316000000000000
1999-01-01	41.0461000000000000
2000-01-01	31.7661000000000000
2001-01-01	29.1619000000000000
2002-01-01	19.4898000000000000
2003-01-01	2.6827200000000000
2004-01-01	2.1066000000000000
2005-01-01	1.1692900000000000
2006-01-01	1.6096800000000000
2007-01-01	1.0015700000000000
2008-01-01	1.5331100000000000
2009-01-01	1.2874600000000000
2010-01-01	1.7925300000000000
2011-01-01	1.3267100000000000
2012-01-01	0.5583670000000001
2013-01-01	1.3276299999999999