Automatic Counter Volumes
| Year | Jan. | Feb. | Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | 24-Hour Annual Avg. |
| 1990 |
14203 |
14947 |
16112 |
16082 |
16099 |
16505 |
15895 |
16452 |
14861 |
15177 |
15885 |
17791 |
15841 |
| 1991 |
13644 |
14897 |
15528 |
15819 |
16270 |
16344 |
16367 |
14811 |
11701 |
13929 |
15614 |
17293 |
15191 |
| 1992 |
14601 |
15555 |
15796 |
16452 |
16366 |
16128 |
16242 |
16468 |
15692 |
15950 |
15707 |
17761 |
16107 |
| 1993 |
14402 |
15547 |
16407 |
16830 |
17019 |
17472 |
17530 |
17635 |
17013 |
17280 |
17213 |
19174 |
16970 |
| 1994 |
16224 |
17522 |
17691 |
17670 |
17816 |
18363 |
18368 |
18734 |
17519 |
17812 |
18023 |
20114 |
17993 |
| 1995 |
|
|
|
|
|
18347 |
17429 |
18348 |
17523 |
17823 |
18632 |
20443 |
|
| 1996 |
16748 |
18390 |
18535 |
18554 |
18751 |
19042 |
18240 |
18745 |
18169 |
17882 |
18237 |
19386 |
18390 |
| 1997 |
16383 |
17643 |
17943 |
18180 |
18587 |
18734 |
18510 |
18849 |
17669 |
18123 |
18545 |
20377 |
18295 |
| 1998 |
17395 |
18143 |
18740 |
18913 |
19496 |
19671 |
19380 |
19811 |
18635 |
19044 |
19274 |
20837 |
19112 |
| 1999 |
17860 |
18771 |
19233 |
19648 |
20166 |
20498 |
20026 |
20303 |
19435 |
19639 |
19575 |
21153 |
19692 |
| 2000 |
17815 |
18993 |
19110 |
19489 |
19539 |
19988 |
20795 |
22736 |
21006 |
19970 |
19669 |
21091 |
20017 |
| 2001 |
17768 |
18736 |
19339 |
18728 |
19127 |
19553 |
19572 |
19892 |
18397 |
18446 |
19251 |
20043 |
19071 |
| 2002 |
17382 |
18405 |
18799 |
18625 |
18874 |
18412 |
18475 |
19479 |
17842 |
18246 |
18798 |
20137 |
18623 |
| 2003 |
17478 |
17567 |
16711 |
17336 |
17889 |
17916 |
17423 |
17715 |
17410 |
18906 |
18733 |
20170 |
17938 |
| 2004 |
17884 |
18029 |
19089 |
19249 |
18855 |
19360 |
19326 |
19121 |
17731 |
18075 |
18433 |
20416 |
18797 |
| 2005 |
16814 |
18249 |
18310 |
18507 |
18786 |
19036 |
18910 |
19416 |
17433 |
17549 |
17980 |
20192 |
18432 |
| 2006 |
17094 |
18137 |
18792 |
19167 |
19520 |
19818 |
19257 |
19243 |
18103 |
18903 |
19791 |
21464 |
19107 |
| 2007 |
18384 |
19591 |
20401 |
20194 |
20754 |
20863 |
20553 |
21444 |
20048 |
20436 |
20612 |
21741 |
20418 |
| 2008 |
18797 |
20076 |
20460 |
21189 |
21959 |
21689 |
21333 |
21244 |
20319 |
21445 |
21790 |
22746 |
21087 |
| 2009 |
20464 |
21489 |
21279 |
23179 |
23439 |
22249 |
22141 |
22112 |
20693 |
22371 |
21284 |
23046 |
21979 |
| 2010 |
20086 |
21510 |
21644 |
23974 |
21452 |
22187 |
21317 |
21516 |
20523 |
21053 |
20560 |
23063 |
21574 |
| 2011 |
19924 |
20985 |
21178 |
21674 |
22192 |
23240 |
20850 |
22481 |
21003 |
21416 |
21338 |
23174 |
21621 |
| 2012 |
20296 |
21260 |
21389 |
21971 |
22435 |
22349 |
21599 |
22508 |
21009 |
21496 |
21413 |
22481 |
21684 |
| 2013 |
19493 |
20957 |
21995 |
21819 |
22355 |
22103 |
21067 |
21640 |
20254 |
20637 |
20590 |
21792 |
21225 |
| 2014 |
19547 |
20723 |
20971 |
21726 |
21761 |
21274 |
19623 |
19445 |
18698 |
19144 |
20200 |
22126 |
20436 |
| 2015 |
19654 |
21344 |
21211 |
21658 |
21879 |
21688 |
21290 |
21901 |
21215 |
21869 |
21465 |
22575 |
21479 |
| 2016 |
21590 |
22019 |
21621 |
22588 |
22830 |
|
|
21349 |
21394 |
22166 |
23326 |
22958 |
|
| 2017 |
19745 |
21943 |
22746 |
24039 |
25610 |
26106 |
25501 |
25914 |
24897 |
25239 |
24587 |
24879 |
24267 |
| 2018 |
21381 |
22869 |
23049 |
23514 |
23593 |
24078 |
23930 |
24067 |
21670 |
22001 |
21958 |
22801 |
22909 |
| 2019 |
20376 |
20764 |
22241 |
23135 |
23281 |
23373 |
22489 |
22887 |
22037 |
22356 |
22114 |
22243 |
22275 |
| 2020 |
20326 |
21407 |
19594 |
16651 |
21467 |
22367 |
21680 |
21784 |
21036 |
21056 |
20529 |
21566 |
20789 |
| 2021 |
20132 |
20463 |
22535 |
23213 |
23412 |
23704 |
22851 |
22825 |
22143 |
22663 |
21960 |
22603 |
22375 |
| 2022 |
20356 |
21837 |
22205 |
22788 |
23289 |
23079 |
22285 |
22837 |
23520 |
23072 |
22267 |
|
22503 |
| 2023 |
20763 |
|
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