Year	Number
2004-01-01	60.9850167457529
2005-01-01	71.9302208072499
2006-01-01	129.7470591035210
2007-01-01	169.7945116243790
2008-01-01	176.8959519826670
2009-01-01	176.0411489637930
2010-01-01	188.0860832863820
2011-01-01	212.4515153804510
2012-01-01	228.5874248054640
2013-01-01	327.0716768814390
2014-01-01	336.9874644206570
