Year	Percent
1995-01-01	5.511210000000000
1996-01-01	6.100100000000000
1997-01-01	13.338600000000000
1998-01-01	11.861600000000000
1999-01-01	13.225900000000000
2000-01-01	16.000600000000000
2001-01-01	18.278000000000000
2002-01-01	12.264500000000000
2003-01-01	15.562000000000001
2004-01-01	18.644000000000002
2005-01-01	14.909800000000000
2006-01-01	8.261760000000000
2007-01-01	8.845710000000000
2008-01-01	7.977050000000000
2009-01-01	7.829480000000000
2010-01-01	8.080639999999999
2011-01-01	7.591720000000000
2012-01-01	11.291600000000000
2013-01-01	11.471400000000000