Automatic Counter Volumes
| Year | Jan. | Feb. | Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | 24-Hour Annual Avg. |
| 1990 |
440 |
482 |
358 |
435 |
525 |
708 |
815 |
770 |
739 |
710 |
431 |
403 |
568 |
| 1991 |
488 |
414 |
305 |
353 |
471 |
637 |
826 |
864 |
768 |
733 |
427 |
376 |
556 |
| 1992 |
426 |
363 |
325 |
401 |
559 |
688 |
766 |
782 |
752 |
771 |
446 |
393 |
558 |
| 1993 |
390 |
377 |
305 |
334 |
469 |
589 |
642 |
719 |
758 |
748 |
550 |
408 |
525 |
| 1994 |
409 |
414 |
399 |
412 |
547 |
648 |
783 |
840 |
775 |
730 |
535 |
449 |
580 |
| 1995 |
449 |
386 |
345 |
400 |
532 |
638 |
738 |
785 |
748 |
630 |
504 |
472 |
552 |
| 1996 |
393 |
407 |
340 |
425 |
502 |
662 |
692 |
667 |
662 |
627 |
456 |
348 |
515 |
| 1997 |
392 |
350 |
244 |
360 |
502 |
579 |
704 |
719 |
688 |
679 |
540 |
397 |
513 |
| 1998 |
360 |
312 |
335 |
432 |
509 |
656 |
724 |
704 |
662 |
611 |
436 |
379 |
510 |
| 1999 |
383 |
406 |
267 |
334 |
491 |
585 |
679 |
701 |
688 |
643 |
497 |
340 |
501 |
| 2000 |
367 |
366 |
326 |
392 |
524 |
614 |
738 |
670 |
573 |
607 |
479 |
375 |
503 |
| 2001 |
384 |
311 |
307 |
365 |
550 |
605 |
700 |
742 |
715 |
641 |
493 |
386 |
517 |
| 2002 |
412 |
395 |
296 |
333 |
515 |
563 |
687 |
714 |
700 |
728 |
519 |
440 |
525 |
| 2003 |
418 |
424 |
317 |
395 |
554 |
694 |
750 |
784 |
773 |
733 |
503 |
450 |
566 |
| 2004 |
466 |
474 |
352 |
418 |
549 |
671 |
775 |
717 |
745 |
701 |
501 |
417 |
566 |
| 2005 |
386 |
443 |
357 |
425 |
530 |
653 |
751 |
896 |
757 |
690 |
546 |
415 |
571 |
| 2006 |
403 |
392 |
333 |
394 |
587 |
618 |
717 |
738 |
761 |
742 |
510 |
506 |
558 |
| 2007 |
420 |
355 |
317 |
405 |
551 |
592 |
679 |
659 |
699 |
650 |
507 |
431 |
522 |
| 2008 |
386 |
420 |
285 |
300 |
405 |
525 |
677 |
682 |
673 |
641 |
445 |
343 |
482 |
| 2009 |
461 |
335 |
226 |
296 |
488 |
633 |
747 |
672 |
616 |
562 |
444 |
390 |
489 |
| 2010 |
374 |
358 |
312 |
352 |
537 |
564 |
683 |
653 |
634 |
577 |
421 |
394 |
488 |
| 2011 |
382 |
373 |
266 |
256 |
359 |
541 |
580 |
622 |
|
563 |
470 |
363 |
453 |
| 2012 |
381 |
343 |
270 |
307 |
449 |
507 |
634 |
682 |
663 |
531 |
389 |
326 |
457 |
| 2013 |
383 |
349 |
264 |
293 |
514 |
568 |
639 |
617 |
538 |
543 |
397 |
254 |
447 |
| 2014 |
299 |
295 |
240 |
304 |
427 |
496 |
589 |
598 |
595 |
535 |
422 |
316 |
426 |
| 2015 |
345 |
321 |
305 |
321 |
489 |
537 |
636 |
540 |
537 |
588 |
429 |
321 |
447 |
| 2016 |
340 |
294 |
250 |
348 |
513 |
493 |
599 |
552 |
618 |
513 |
446 |
308 |
440 |
| 2017 |
330 |
323 |
231 |
263 |
441 |
543 |
609 |
569 |
542 |
557 |
413 |
315 |
428 |
| 2018 |
309 |
326 |
275 |
299 |
512 |
558 |
608 |
579 |
614 |
564 |
452 |
336 |
453 |
| 2019 |
322 |
284 |
219 |
267 |
498 |
552 |
622 |
596 |
624 |
593 |
502 |
326 |
450 |
| 2020 |
305 |
326 |
233 |
276 |
553 |
666 |
750 |
773 |
790 |
633 |
423 |
315 |
504 |
| 2021 |
298 |
294 |
292 |
316 |
562 |
587 |
598 |
546 |
579 |
550 |
435 |
332 |
449 |
| 2022 |
337 |
337 |
296 |
298 |
430 |
485 |
551 |
566 |
596 |
576 |
487 |
360 |
443 |
| 2023 |
378 |
351 |
289 |
265 |
563 |
631 |
614 |
563 |
570 |
553 |
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