Year	Number
2004-01-01	1363.5537
2005-01-01	1634.2950
2006-01-01	1680.0612
2007-01-01	1624.6784
2008-01-01	1642.4139
2009-01-01	1692.2094
2010-01-01	1686.9093
2011-01-01	1741.1083
2012-01-01	2054.5624
2013-01-01	1971.9914
2014-01-01	2061.5767
2015-01-01	2031.3593
2016-01-01	2077.6789