Year	Number
2004-01-01	156.0998
2005-01-01	134.3346
2006-01-01	181.2847
2007-01-01	195.9797
2008-01-01	214.2791
2009-01-01	254.3438
2010-01-01	309.8429
2011-01-01	319.0388
2012-01-01	325.2311
2013-01-01	331.4695
2014-01-01	337.4769
2015-01-01	372.1811
2016-01-01	378.6506