Year	Number
2005-01-01	0.0321564087722683
2006-01-01	0.0482346131584025
2007-01-01	0.0964692263168049
2008-01-01	0.1125474307029390
2009-01-01	0.1286587327114830
2010-01-01	0.1285347043701800
2011-01-01	0.0803858520900322
2012-01-01	0.0964940495336121
2013-01-01	0.1125582891140050