An official website of the United States government
| include graphs include annual averages | ||||||
Data extracted on: August 2, 2020 (2:47:42 AM)
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2010 | 667 | 674 | 682 | 687 | 697 | 702 | 708 | 716 | 723 | 731 | 736 | 734 | |
| 2011 | 736 | 739 | 754 | 768 | 778 | 790 | 801 | 804 | 814 | 820 | 824 | 831 | |
| 2012 | 840 | 845 | 849 | 850 | 855 | 854 | 851 | 851 | 846 | 837 | 843 | 848 | |
| 2013 | 851 | 858 | 859 | 857 | 862 | 865 | 862 | 864 | 868 | 870 | 869 | 866 | |
| 2014 | 871 | 875 | 879 | 886 | 887 | 892 | 897 | 898 | 903 | 901 | 900 | 896 | |
| 2015 | 888 | 875 | 859 | 843 | 820 | 816 | 805 | 794 | 779 | 771 | 756 | 746 | |
| 2016 | 731 | 711 | 691 | 678 | 666 | 656 | 652 | 647 | 647 | 644 | 647 | 648 | |
| 2017 | 649 | 655 | 660 | 669 | 673 | 677 | 679 | 684 | 687 | 687 | 693 | 692 | |
| 2018 | 699 | 706 | 714 | 722 | 724 | 729 | 729 | 737 | 739 | 742 | 737 | 741 | |
| 2019 | 746 | 741 | 741 | 741 | 743 | 741 | 736 | 731 | 731 | 735 | 724 | 715 | |
| 2020 | 712 | 714 | 706 | 653 | 634(P) | 624(P) | |||||||
| P : preliminary | |||||||||||||