Year	Number
2004-01-01	62.6616641096100
2005-01-01	74.1049718308904
2006-01-01	134.3808979062330
2007-01-01	176.0989753529080
2008-01-01	183.6062704608280
2009-01-01	182.8419191304940
2010-01-01	195.3476668821290
2011-01-01	220.5218298066680
2012-01-01	238.2189603723370
2013-01-01	353.5006747143100
2014-01-01	348.4589401902960