Year	Percent
2001-01-01	40.61920000000000
2002-01-01	36.82130000000000
2003-01-01	49.19380000000000
2004-01-01	52.44530000000000
2005-01-01	57.03180000000000
2006-01-01	76.28020000000000
2007-01-01	91.53299999999999
2008-01-01	37.27260000000000
2009-01-01	52.54510000000000
2010-01-01	60.10410000000000
2011-01-01	40.73830000000000
2012-01-01	49.37760000000000
2013-01-01	54.12080000000000
2014-01-01	55.80140000000000
2015-01-01	48.35520000000000
2016-01-01	49.67540000000000