Year	Number
2004-01-01	128.2237
2005-01-01	131.9983
2006-01-01	129.9664
2007-01-01	128.9619
2008-01-01	122.9034
2009-01-01	153.7342
2010-01-01	133.1527
2011-01-01	133.9443
2012-01-01	135.7279
2013-01-01	143.7670
2014-01-01	136.9977
2015-01-01	144.5200
2016-01-01	160.6884