Year	Number
2004-01-01	82.9422
2005-01-01	78.4231
2006-01-01	85.5982
2007-01-01	90.7983
2008-01-01	105.8024
2009-01-01	93.3792
2010-01-01	101.8878
2011-01-01	131.9981
2012-01-01	131.1311
2013-01-01	148.6005
2014-01-01	162.9388
2015-01-01	159.7432
2016-01-01	181.7876