Year	Number
2005-01-01	2705.6075
2006-01-01	2859.7927
2007-01-01	3011.2685
2008-01-01	3102.9555
2009-01-01	3215.3693
2010-01-01	3238.3537
2011-01-01	3352.0395
2012-01-01	3379.8077
2013-01-01	1914.3717
2014-01-01	1940.0515
2015-01-01	1818.7644
2016-01-01	1614.3812
2017-01-01	1661.2311