Year	Number
2005-01-01	41.145007920
2006-01-01	39.683707250
2007-01-01	38.563609220
2008-01-01	2.500821685
2009-01-01	2.699174097
2010-01-01	9.418212109
2011-01-01	6.128865456
2012-01-01	76.171000850
2013-01-01	80.964646610