Year	Number
2006-01-01	19.1889
2007-01-01	31.1871
2008-01-01	33.1126
2009-01-01	29.6716
2010-01-01	30.1837
2011-01-01	37.3818
2012-01-01	45.0669
2013-01-01	52.9994