Automatic Counter Volumes
| Year | Jan. | Feb. | Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | 24-Hour Annual Avg. |
| 1990 |
240 |
256 |
329 |
395 |
462 |
547 |
629 |
616 |
541 |
485 |
414 |
258 |
432 |
| 1991 |
247 |
326 |
354 |
393 |
470 |
561 |
633 |
633 |
550 |
485 |
340 |
309 |
442 |
| 1992 |
289 |
312 |
397 |
429 |
495 |
592 |
689 |
623 |
565 |
510 |
357 |
262 |
462 |
| 1993 |
195 |
225 |
322 |
348 |
469 |
610 |
693 |
683 |
614 |
510 |
389 |
298 |
448 |
| 1994 |
274 |
298 |
409 |
421 |
506 |
617 |
689 |
651 |
605 |
506 |
341 |
261 |
466 |
| 1995 |
298 |
318 |
352 |
411 |
491 |
625 |
708 |
681 |
640 |
548 |
443 |
350 |
489 |
| 1996 |
274 |
317 |
397 |
429 |
504 |
616 |
682 |
653 |
613 |
543 |
398 |
272 |
475 |
| 1997 |
288 |
341 |
412 |
408 |
512 |
752 |
754 |
731 |
628 |
540 |
435 |
328 |
511 |
| 1998 |
283 |
326 |
393 |
459 |
537 |
627 |
697 |
717 |
628 |
545 |
446 |
327 |
499 |
| 1999 |
324 |
308 |
401 |
433 |
521 |
782 |
744 |
697 |
653 |
581 |
505 |
337 |
524 |
| 2000 |
321 |
368 |
452 |
506 |
579 |
641 |
745 |
805 |
678 |
577 |
442 |
368 |
540 |
| 2001 |
333 |
336 |
417 |
499 |
588 |
644 |
733 |
694 |
654 |
578 |
494 |
290 |
522 |
| 2002 |
289 |
340 |
397 |
455 |
564 |
663 |
715 |
728 |
651 |
635 |
497 |
415 |
529 |
| 2003 |
392 |
441 |
447 |
472 |
585 |
688 |
777 |
733 |
653 |
596 |
474 |
398 |
555 |
| 2004 |
340 |
371 |
472 |
518 |
585 |
658 |
716 |
699 |
679 |
591 |
499 |
402 |
544 |
| 2005 |
313 |
388 |
430 |
483 |
562 |
631 |
710 |
667 |
605 |
526 |
442 |
342 |
508 |
| 2006 |
310 |
357 |
388 |
445 |
515 |
555 |
587 |
570 |
552 |
519 |
433 |
359 |
466 |
| 2007 |
352 |
383 |
413 |
452 |
536 |
581 |
631 |
650 |
591 |
538 |
464 |
344 |
495 |
| 2008 |
301 |
328 |
383 |
418 |
512 |
574 |
612 |
582 |
556 |
500 |
456 |
338 |
463 |
| 2009 |
323 |
321 |
365 |
440 |
568 |
572 |
603 |
598 |
592 |
512 |
457 |
354 |
475 |
| 2010 |
315 |
347 |
399 |
445 |
529 |
596 |
696 |
662 |
654 |
575 |
442 |
350 |
501 |
| 2011 |
359 |
385 |
415 |
474 |
521 |
566 |
670 |
651 |
632 |
567 |
473 |
421 |
511 |
| 2012 |
380 |
391 |
422 |
498 |
565 |
584 |
665 |
655 |
637 |
595 |
474 |
367 |
520 |
| 2013 |
313 |
342 |
422 |
477 |
540 |
613 |
673 |
683 |
616 |
526 |
482 |
365 |
504 |
| 2014 |
390 |
373 |
466 |
504 |
580 |
660 |
704 |
671 |
641 |
580 |
437 |
373 |
531 |
| 2015 |
364 |
444 |
512 |
508 |
581 |
661 |
701 |
663 |
657 |
583 |
464 |
337 |
540 |
| 2016 |
342 |
422 |
487 |
529 |
606 |
721 |
816 |
793 |
748 |
623 |
574 |
359 |
585 |
| 2017 |
305 |
423 |
490 |
552 |
671 |
796 |
855 |
1013 |
770 |
675 |
574 |
437 |
630 |
| 2018 |
404 |
436 |
484 |
578 |
681 |
763 |
863 |
782 |
743 |
661 |
584 |
428 |
617 |
| 2019 |
405 |
313 |
491 |
592 |
670 |
799 |
870 |
811 |
783 |
629 |
534 |
438 |
611 |
| 2020 |
372 |
406 |
435 |
400 |
606 |
737 |
847 |
804 |
848 |
711 |
520 |
417 |
592 |
| 2021 |
369 |
390 |
513 |
600 |
697 |
811 |
870 |
803 |
748 |
674 |
607 |
413 |
625 |
| 2022 |
374 |
421 |
523 |
563 |
667 |
807 |
829 |
783 |
783 |
707 |
556 |
384 |
616 |
| 2023 |
382 |
375 |
388 |
574 |
758 |
953 |
1032 |
960 |
906 |
749 |
650 |
502 |
686 |
| 2024 |
410 |
455 |
558 |
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