Year	Number
2004-01-01	76190
2005-01-01	80727
2006-01-01	93444
2007-01-01	109856
2008-01-01	125145
2009-01-01	135541
2010-01-01	155751
2011-01-01	172000
2012-01-01	190074
2013-01-01	203170
2014-01-01	242549
2015-01-01	268128
2016-01-01	280697