Year	Percent
2000-01-01	20.3152000000000000
2001-01-01	13.1999000000000000
2002-01-01	15.3756000000000000
2003-01-01	12.1945000000000000
2004-01-01	10.9346000000000000
2005-01-01	7.5925199999999995
2006-01-01	4.2381199999999990
2007-01-01	12.2363000000000000
2008-01-01	12.9592000000000000
2009-01-01	12.6664000000000000
2010-01-01	21.3878000000000000
2011-01-01	21.0908000000000000
2012-01-01	14.0698000000000000
2013-01-01	20.1013000000000000
2014-01-01	15.8341000000000000
2015-01-01	7.4536399999999990
2016-01-01	1.6419599999999999