Year	Number
2004-01-01	1906.5173
2005-01-01	2066.5725
2006-01-01	1987.8316
2007-01-01	2052.2212
2008-01-01	2129.5471
2009-01-01	2162.9404
2010-01-01	2192.2345
2011-01-01	2242.9703
2012-01-01	2228.2731
2013-01-01	2261.9002
2014-01-01	2274.2466
2015-01-01	2347.1623
2016-01-01	2290.2891