Automatic Counter Volumes
| Year | Jan. | Feb. | Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | 24-Hour Annual Avg. |
| 1990 |
16645 |
17708 |
18683 |
18347 |
18599 |
17526 |
17464 |
16655 |
16775 |
18141 |
19400 |
19206 |
17930 |
| 1991 |
18573 |
19643 |
19028 |
20622 |
20636 |
21121 |
20276 |
20441 |
20278 |
20679 |
19442 |
20072 |
20068 |
| 1992 |
20466 |
21694 |
21169 |
21677 |
20571 |
20391 |
20492 |
18773 |
18132 |
17410 |
15762 |
16217 |
19441 |
| 1993 |
15008 |
16097 |
16936 |
17801 |
17003 |
17264 |
16583 |
16542 |
16262 |
15121 |
13682 |
14090 |
16029 |
| 1994 |
13033 |
13943 |
14670 |
15419 |
14728 |
15559 |
15716 |
15775 |
15450 |
15325 |
14521 |
14530 |
14893 |
| 1995 |
14702 |
15469 |
15678 |
16386 |
16100 |
15043 |
13947 |
15253 |
15029 |
14553 |
13294 |
13108 |
14880 |
| 1996 |
12958 |
12694 |
|
16885 |
15862 |
17476 |
15428 |
15581 |
15689 |
15409 |
14411 |
13950 |
|
| 1997 |
13968 |
14577 |
15051 |
15427 |
15276 |
15917 |
14545 |
15140 |
15204 |
15035 |
14124 |
14084 |
14862 |
| 1998 |
13775 |
14701 |
14984 |
15596 |
15116 |
16012 |
14754 |
15335 |
16126 |
16334 |
15069 |
13953 |
15146 |
| 1999 |
14081 |
14461 |
15176 |
15757 |
16252 |
16987 |
15211 |
15568 |
15212 |
15173 |
14087 |
14031 |
15166 |
| 2000 |
15020 |
15811 |
16012 |
16195 |
15701 |
16757 |
15087 |
15793 |
15532 |
15400 |
14630 |
14533 |
15539 |
| 2001 |
14139 |
14851 |
15250 |
15617 |
15400 |
16877 |
15065 |
15374 |
14656 |
14409 |
13632 |
13072 |
14862 |
| 2002 |
13332 |
13784 |
14095 |
15667 |
15249 |
15547 |
14568 |
14115 |
14339 |
14181 |
13172 |
12957 |
14251 |
| 2003 |
14233 |
14528 |
14393 |
15519 |
15334 |
16251 |
14177 |
13861 |
14048 |
13688 |
11781 |
12607 |
14202 |
| 2004 |
11988 |
12716 |
13002 |
15212 |
13331 |
14229 |
13152 |
13371 |
13184 |
12707 |
12056 |
12193 |
13095 |
| 2005 |
11850 |
12588 |
13037 |
13329 |
13144 |
13767 |
11489 |
13581 |
13057 |
12789 |
12121 |
11866 |
12718 |
| 2006 |
11883 |
12322 |
12638 |
12906 |
13156 |
13426 |
11465 |
13317 |
13068 |
13089 |
12169 |
11715 |
12596 |
| 2007 |
11798 |
12243 |
12883 |
13117 |
13206 |
12992 |
|
12958 |
12558 |
12935 |
11849 |
11482 |
|
| 2008 |
11263 |
12317 |
12397 |
13107 |
12962 |
12607 |
12514 |
12236 |
12442 |
12468 |
11276 |
11396 |
12249 |
| 2009 |
11175 |
11863 |
11841 |
12808 |
12443 |
12555 |
12434 |
12233 |
12198 |
11633 |
10978 |
11018 |
11932 |
| 2010 |
10886 |
11555 |
12044 |
12159 |
11808 |
12431 |
12407 |
12091 |
11975 |
11432 |
10774 |
10773 |
11695 |
| 2011 |
10898 |
11324 |
11460 |
11984 |
12031 |
12564 |
12161 |
11907 |
11771 |
11579 |
10636 |
10826 |
11595 |
| 2012 |
10645 |
10810 |
10961 |
11921 |
12043 |
11945 |
11595 |
11477 |
11732 |
11584 |
10712 |
10543 |
11331 |
| 2013 |
10160 |
11079 |
11499 |
12007 |
12106 |
12290 |
12036 |
11999 |
11816 |
11884 |
10912 |
10559 |
11529 |
| 2014 |
10817 |
11439 |
12083 |
12585 |
12573 |
12494 |
12251 |
12426 |
12189 |
12477 |
11126 |
11333 |
11983 |
| 2015 |
11433 |
12242 |
12494 |
13355 |
13072 |
13197 |
12710 |
12528 |
12878 |
12483 |
11943 |
12095 |
12536 |
| 2016 |
12542 |
13269 |
13330 |
14145 |
13922 |
14058 |
13746 |
13769 |
13987 |
13464 |
12444 |
11796 |
13373 |
| 2017 |
10878 |
12517 |
13119 |
13974 |
14145 |
13649 |
13015 |
13781 |
14048 |
13542 |
12534 |
12209 |
13118 |
| 2018 |
12184 |
12259 |
12289 |
12788 |
12640 |
12480 |
12552 |
12600 |
12955 |
12913 |
11905 |
11556 |
12427 |
| 2019 |
11934 |
12310 |
13055 |
14228 |
14216 |
14062 |
13676 |
14331 |
13681 |
13347 |
12371 |
11846 |
13255 |
| 2020 |
11832 |
12796 |
10309 |
7474 |
9755 |
10883 |
11226 |
11467 |
11074 |
11152 |
9786 |
9703 |
10621 |
| 2021 |
9939 |
10538 |
11470 |
12077 |
12461 |
13109 |
13520 |
12682 |
12720 |
12017 |
11288 |
11050 |
11906 |
| 2022 |
10441 |
11382 |
11872 |
12271 |
12386 |
12203 |
12583 |
12768 |
12905 |
12693 |
10955 |
10775 |
11936 |
| 2023 |
10869 |
11593 |
11386 |
12483 |
12685 |
12815 |
12988 |
12970 |
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