Year	Number
2004-01-01	111.8295
2005-01-01	113.0659
2006-01-01	114.6370
2007-01-01	118.3157
2008-01-01	121.8870
2009-01-01	123.9130
2010-01-01	127.5636
2011-01-01	119.9099
2012-01-01	140.3387
2013-01-01	151.7476
2014-01-01	168.9403
2015-01-01	181.9685
2016-01-01	235.1009