Year	Percent
2003-01-01	1.09890109890110
2004-01-01	1.11111111111111
2005-01-01	3.19148936170213
2006-01-01	0.00000000000000
2007-01-01	2.69181794436463
2008-01-01	2.27096074657050
2009-01-01	2.47793605334593
2010-01-01	2.45347578391631
2011-01-01	3.19045673825086
2012-01-01	1.88923833165974
2013-01-01	4.45162232134063
2014-01-01	4.47435466627441
2015-01-01	5.78702961258766
2016-01-01	5.58736451515574
2017-01-01	3.14906147604621