Year	Percent
2000-01-01	14.91661015533500
2001-01-01	11.38758103573770
2002-01-01	11.94907023577610
2003-01-01	9.72453031576060
2004-01-01	6.65900787706009
2005-01-01	6.41462217886662
2006-01-01	6.76871854669466
2007-01-01	6.81165233738624
2008-01-01	5.18683145423439
2009-01-01	11.78737694553530
2010-01-01	19.49507933443530
2011-01-01	14.73349752739560
2012-01-01	9.45601387446100
2013-01-01	8.10191026646563
2014-01-01	5.81229331531893
2015-01-01	6.87237213724364
2016-01-01	9.45204385927238
2017-01-01	7.50696718461525