Automatic Counter Volumes
| Year | Jan. | Feb. | Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | 24-Hour Annual Avg. |
| 1990 |
17106 |
18459 |
18608 |
18818 |
17204 |
18048 |
17541 |
18096 |
18179 |
18276 |
17940 |
15384 |
17795 |
| 1991 |
16436 |
18045 |
17458 |
19514 |
17741 |
18667 |
18107 |
|
|
|
|
|
|
| 1992 |
|
16220 |
17650 |
18807 |
17075 |
18429 |
18723 |
18869 |
18956 |
19146 |
18164 |
17544 |
|
| 1993 |
17384 |
19444 |
19756 |
21187 |
19438 |
20247 |
19085 |
18918 |
21571 |
20943 |
19881 |
19023 |
19731 |
| 1994 |
18778 |
21054 |
21878 |
22033 |
20512 |
20908 |
19241 |
20472 |
22413 |
21901 |
21240 |
19541 |
20820 |
| 1995 |
20038 |
22193 |
22199 |
23155 |
21461 |
21867 |
19964 |
21305 |
23048 |
22915 |
21377 |
19841 |
21614 |
| 1996 |
20093 |
22267 |
21864 |
23320 |
20556 |
20313 |
19072 |
20715 |
22725 |
21877 |
21134 |
17953 |
20991 |
| 1997 |
18988 |
21562 |
21319 |
23039 |
21416 |
20822 |
19008 |
20039 |
22293 |
21741 |
20699 |
18802 |
20811 |
| 1998 |
18219 |
20982 |
20535 |
21653 |
20239 |
20357 |
18691 |
20031 |
21882 |
21768 |
20339 |
18874 |
20298 |
| 1999 |
20150 |
20962 |
20923 |
22282 |
21185 |
20809 |
20079 |
20844 |
22074 |
22155 |
20542 |
18908 |
20909 |
| 2000 |
19170 |
21683 |
21426 |
22502 |
20670 |
20356 |
19070 |
20416 |
22297 |
22679 |
20961 |
19504 |
20895 |
| 2001 |
19046 |
21306 |
21254 |
22330 |
19917 |
19520 |
18546 |
19611 |
20645 |
20894 |
19598 |
17651 |
20027 |
| 2002 |
17967 |
19807 |
19162 |
21427 |
19346 |
18203 |
17359 |
18538 |
20259 |
20606 |
19303 |
18136 |
19176 |
| 2003 |
18652 |
20039 |
19154 |
20950 |
19355 |
21371 |
18019 |
18726 |
21337 |
21107 |
18747 |
18239 |
19641 |
| 2004 |
18241 |
20025 |
20616 |
21515 |
19253 |
18848 |
17680 |
18546 |
21986 |
20678 |
19663 |
18124 |
19598 |
| 2005 |
18697 |
20446 |
20345 |
21329 |
19365 |
18779 |
17794 |
19848 |
20688 |
20384 |
19150 |
17666 |
19541 |
| 2006 |
18020 |
20215 |
19971 |
20677 |
19471 |
18494 |
|
|
21167 |
20860 |
19390 |
17501 |
|
| 2007 |
18372 |
20423 |
20235 |
20971 |
19505 |
18750 |
17673 |
19191 |
20718 |
21768 |
19452 |
17541 |
19550 |
| 2008 |
17053 |
19984 |
19314 |
21376 |
19821 |
17781 |
17436 |
18048 |
20418 |
20421 |
17938 |
17226 |
18901 |
| 2009 |
16889 |
19536 |
18954 |
20803 |
18571 |
17782 |
17647 |
18035 |
20209 |
20032 |
17804 |
16832 |
18591 |
| 2010 |
16586 |
19422 |
19685 |
20114 |
18506 |
17655 |
17280 |
21595 |
|
19602 |
17718 |
16576 |
|
| 2011 |
16984 |
18830 |
18820 |
19598 |
18371 |
16931 |
16480 |
17970 |
19022 |
18308 |
16804 |
|
18038 |
| 2012 |
|
|
|
|
|
|
|
|
|
|
|
|
|
| 2013 |
|
|
|
|
|
|
14713 |
16496 |
18684 |
18464 |
16834 |
15733 |
|
| 2014 |
15433 |
17980 |
18013 |
19347 |
17670 |
16665 |
16091 |
17353 |
18677 |
18833 |
17461 |
16874 |
17533 |
| 2015 |
16191 |
18336 |
18071 |
19246 |
17581 |
17463 |
16910 |
17669 |
19230 |
19018 |
17222 |
16428 |
17781 |
| 2016 |
20255 |
21822 |
21221 |
22738 |
20663 |
19935 |
19253 |
20535 |
19535 |
18838 |
17232 |
15370 |
19783 |
| 2017 |
15472 |
18220 |
18282 |
19438 |
17312 |
17209 |
15993 |
17515 |
18287 |
18744 |
17102 |
15954 |
17461 |
| 2018 |
16965 |
17919 |
17844 |
19251 |
17651 |
17341 |
16764 |
17947 |
18457 |
19071 |
17385 |
15807 |
17700 |
| 2019 |
16581 |
17840 |
18270 |
19532 |
18105 |
17685 |
16935 |
17713 |
18903 |
18904 |
17319 |
16465 |
17854 |
| 2020 |
16364 |
18267 |
13178 |
8060 |
10628 |
12560 |
12363 |
13967 |
14362 |
14433 |
12476 |
11496 |
13179 |
| 2021 |
12648 |
13703 |
15048 |
15086 |
15321 |
15561 |
14132 |
15983 |
16677 |
16612 |
14888 |
14326 |
14999 |
| 2022 |
14362 |
16141 |
16155 |
16967 |
15861 |
15308 |
14684 |
16402 |
17181 |
18136 |
|
|
16120 |
| 2023 |
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