Jan<2010>582<2011>554<2012>575<2013>552.6<2014>567<2015>563<2016>568.8<2017>583.8<2018>571<2019>566.5<2020>558.7<2021>585.5 Feb<2010>525<2011>505<2012>572<2013>506.9<2014>507<2015>539.8<2016>546.4<2017>536.4<2018>522<2019>517.1<2020>522.7<2021>549.6 Mar<2010>586<2011>574<2012>575<2013>571.7<2014>570<2015>611.2<2016>596.1<2017>599.7<2018>597<2019>569.2<2020>589.3<2021>591 Apr<2010>598<2011>607<2012>561<2013>565.5<2014>565<2015>601.5<2016>598.8<2017>610.5<2018>583<2019>561<2020>575.4<2021>595.6 May<2010>665<2011>653<2012>602<2013>599.7<2014>605<2015>656.7<2016>640.5<2017>637.2<2018>638<2019>604.2<2020>630.3<2021>608.8 Jun<2010>657<2011>643<2012>587<2013>609.3<2014>643<2015>666.1<2016>645.3<2017>667.4<2018>639<2019>599.3<2020>622.5<2021>611.9 Jul<2010>695<2011>658<2012>637<2013>688.6<2014>683<2015>672.4<2016>709.4<2017>678.5<2018>696<2019>678.8<2020>642.4<2021>628.3 Aug<2010>646<2011>652<2012>634<2013>661.1<2014>643<2015>658.9<2016>716.5<2017>660.4<2018>639<2019>629.8<2020>643.3<2021>622.2 Sep<2010>593<2011>603<2012>586<2013>602.5<2014>614<2015>611.5<2016>674.3<2017>607.1<2018>605<2019>583.5<2020>594.8<2021>576 Oct<2010>576<2011>591<2012>567<2013>583.7<2014>582<2015>599.1<2016>649.6<2017>600<2018>584<2019>576.1<2020>575.6<2021>558.1 Nov<2010>540<2011>549<2012>545<2013>549.2<2014>549<2015>560.3<2016>627.5<2017>571<2018>548<2019>543.4<2020>555.7<2021>531.8 Dec<2010>553<2011>559<2012>554<2013>563.2<2014>554<2015>553.2<2016>593.9<2017>574.6<2018>560<2019>562.1<2020>565.2<2021>541.9 Annual total<2010>7216<2011>7148<2012>6995<2013>7054<2014>7082<2015>7293.7<2016>7567.1<2017>7281.6<2018>7180<2019>6991<2020>7075.9<2021>7000.7