Year	Number
2004-01-01	1378.3089
2005-01-01	1391.0568
2006-01-01	1586.5570
2007-01-01	1716.6528
2008-01-01	1869.8797
2009-01-01	1982.1921
2010-01-01	2083.0868
2011-01-01	2232.2215
2012-01-01	2320.8585
2013-01-01	2406.1293
2014-01-01	2479.0441
2015-01-01	2558.3490
2016-01-01	2536.7576