Year	Percent
2003-01-01	8.300000191
2004-01-01	8.100000381
2005-01-01	1.399999976
2006-01-01	1.799999952
2007-01-01	2.599999905
2008-01-01	2.746999979
2009-01-01	7.892000198
2010-01-01	11.854000090
2011-01-01	14.328000070
2012-01-01	18.236999510
2013-01-01	21.872999190