Year	Number
2004-01-01	642.9162
2005-01-01	628.8030
2006-01-01	615.4100
2007-01-01	604.9298
2008-01-01	599.8483
2009-01-01	612.1567
2010-01-01	628.4672
2011-01-01	784.3272
2012-01-01	862.4748