Year	Number
2004-01-01	377.1845
2005-01-01	379.9911
2006-01-01	395.1012
2007-01-01	391.1207
2008-01-01	403.6796
2009-01-01	451.6015
2010-01-01	465.9458
2011-01-01	494.5238
2012-01-01	502.7116
2013-01-01	512.9565
2014-01-01	522.8805
2015-01-01	404.9728
2016-01-01	363.4017