Year	Number
2004-01-01	1.011033883
2005-01-01	1.116604489
2006-01-01	0.922757244
2007-01-01	1.138592525
2008-01-01	1.353273264
2009-01-01	1.461705889
2010-01-01	1.470621805
2011-01-01	1.295223939
2012-01-01	1.353481393
2013-01-01	1.223818450
2014-01-01	2.145870193