Year	Number
2004-01-01	124.9983
2005-01-01	127.6229
2006-01-01	135.7381
2007-01-01	149.0447
2008-01-01	170.4018
2009-01-01	184.5788
2010-01-01	173.1794
2011-01-01	176.2800
2012-01-01	172.8803
2013-01-01	162.9258
2014-01-01	164.6223
2015-01-01	171.4728
2016-01-01	167.5563