Year	Number
2008-01-01	366.2194
2009-01-01	364.7048
2010-01-01	377.1642
2011-01-01	436.1792
2012-01-01	435.4983
2013-01-01	434.0561
2014-01-01	453.1745
2015-01-01	473.4192
2016-01-01	487.1964