Year	Percent
2001-01-01	37.650999999999996
2002-01-01	48.650700000000000
2003-01-01	91.137200000000000
2004-01-01	93.620200000000000
2005-01-01	100.991000000000000
2006-01-01	120.508000000000000
2007-01-01	143.736000000000000
2008-01-01	93.508300000000000
2009-01-01	108.421000000000000
2010-01-01	125.227000000000000
2011-01-01	111.391000000000000
2012-01-01	148.062000000000000
2013-01-01	155.865000000000000
2014-01-01	158.228999999999980
2015-01-01	164.880000000000000
2016-01-01	174.330000000000000