Year	Number
2004-01-01	136.0288
2005-01-01	145.9673
2006-01-01	145.7455
2007-01-01	148.7198
2008-01-01	151.6027
2009-01-01	181.7968
2010-01-01	198.8267
2011-01-01	206.7217
2012-01-01	211.3005
2013-01-01	276.9455
2014-01-01	280.6543