Year	Number
2004-01-01	1723.5387
2005-01-01	1768.4562
2006-01-01	1756.6140
2007-01-01	1769.8428
2008-01-01	1764.4383
2009-01-01	1750.7269
2010-01-01	1754.8786
2011-01-01	1697.9045
2012-01-01	1620.7611
2013-01-01	1684.8531
2014-01-01	1666.3314
2015-01-01	1571.8001
2016-01-01	1565.3693
