Year	Number
2004-01-01	662.8302
2005-01-01	789.0211
2006-01-01	858.1023
2007-01-01	827.3145
2008-01-01	848.9632
2009-01-01	933.6050
2010-01-01	962.5112
2011-01-01	1043.9650
2012-01-01	1269.6570
2013-01-01	1382.1136
2014-01-01	1474.3996
2015-01-01	1533.8752
2016-01-01	1730.0320
2017-01-01	1820.7413