Year	Number
2005-01-01	75.2159
2006-01-01	128.7174
2007-01-01	172.6933
2008-01-01	239.5248
2009-01-01	289.0916
2010-01-01	344.3732
2011-01-01	387.9863
2012-01-01	450.7241
2013-01-01	529.3748
2014-01-01	612.6671
