Year	Percent
2002-01-01	14.63529587
2003-01-01	42.93741226
2004-01-01	136.39512630
2005-01-01	139.04289250
2006-01-01	113.61487580
2007-01-01	71.03976440
2008-01-01	53.83576584
2009-01-01	38.91830063
2010-01-01	37.50232697
2011-01-01	41.44190979
2012-01-01	38.74918747
2013-01-01	36.09725189