Year	Percent
1995-01-01	44.9058000000000000
1996-01-01	37.1155000000000000
1997-01-01	19.9756000000000000
1998-01-01	12.9165000000000000
1999-01-01	14.3075000000000000
2000-01-01	14.3400000000000000
2001-01-01	10.5542000000000000
2002-01-01	10.9846000000000000
2003-01-01	2.9832200000000000
2004-01-01	2.9885500000000000
2005-01-01	3.1400799999999998
2006-01-01	14.3651000000000000
2007-01-01	14.0936000000000000
2008-01-01	18.4083000000000000
2009-01-01	30.0744000000000000
2010-01-01	36.7340000000000000
2011-01-01	37.7347000000000000
2012-01-01	14.6972000000000000
2013-01-01	17.4282000000000000
2014-01-01	17.2154000000000000
2015-01-01	12.3735000000000000
2016-01-01	9.9486600000000000