Year	Percent
2000-01-01	1.7622900000000001
2001-01-01	2.4632400000000003
2002-01-01	3.9680100000000000
2003-01-01	5.4746700000000000
2004-01-01	5.2403699999999995
2005-01-01	4.7778000000000000
2006-01-01	5.3743200000000000
2007-01-01	5.6511300000000000
2008-01-01	6.6713100000000010
2009-01-01	5.9514000000000000
2010-01-01	6.1815600000000000
2011-01-01	5.4457500000000000
2012-01-01	5.6570500000000000
2013-01-01	5.1493400000000005
2014-01-01	5.4943599999999995
2015-01-01	3.3819300000000000
2016-01-01	2.5965900000000000