Year	Number
2004-01-01	145.7539
2005-01-01	168.0382
2006-01-01	181.8021
2007-01-01	211.8826
2008-01-01	319.2485
2009-01-01	307.5697
2010-01-01	206.5089
2011-01-01	371.9804
2012-01-01	389.9671
2013-01-01	382.2663
2014-01-01	385.3316
2015-01-01	417.4255
2016-01-01	445.3383