Year	Number
2008-01-01	475.6208
2009-01-01	543.7388
2010-01-01	545.5977
2011-01-01	516.4057
2012-01-01	535.0871
2013-01-01	519.7118
2014-01-01	513.0229
2015-01-01	525.1140
2016-01-01	531.3642