Year	Number
2004-01-01	464.1368
2005-01-01	589.6630
2006-01-01	696.5809
2007-01-01	764.0314
2008-01-01	777.8054
2009-01-01	684.3251
2010-01-01	724.1741
2011-01-01	720.7838
2012-01-01	731.9392
2013-01-01	732.4786
2014-01-01	725.1262
2015-01-01	707.9653
2016-01-01	706.0711
