Year	Number
2004-01-01	49.3354843665975
2005-01-01	61.8345240838903
2006-01-01	95.8131673964815
2007-01-01	106.1919028962130
2008-01-01	103.8718598755470
2009-01-01	143.8119382346160
2010-01-01	140.3318737036180
2011-01-01	143.2280863486210
2012-01-01	142.8516555273870
2013-01-01	117.7152953829610
2014-01-01	118.5142505953750