Year	Number
2004-01-01	85.4929
2005-01-01	92.7898
2006-01-01	92.1015
2007-01-01	99.8647
2008-01-01	101.5285
2009-01-01	104.0445
2010-01-01	106.0066
2011-01-01	109.1123
2012-01-01	109.2506
2013-01-01	108.8101
2014-01-01	108.0458
2015-01-01	106.9927
2016-01-01	104.3804
