Year	Number
2004-01-01	74.2194
2005-01-01	75.3781
2006-01-01	79.9392
2007-01-01	87.3292
2008-01-01	99.1641
2009-01-01	106.8919
2010-01-01	99.9349
2011-01-01	101.5281
2012-01-01	99.2460
2013-01-01	92.3789
2014-01-01	92.4076
2015-01-01	96.2643
2016-01-01	94.1381