Automatic Counter Volumes
| Year | Jan. | Feb. | Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | 24-Hour Annual Avg. |
| 1990 |
16354 |
17438 |
19891 |
20770 |
19800 |
20091 |
18936 |
19408 |
18269 |
18517 |
19685 |
18518 |
18978 |
| 1991 |
18518 |
19773 |
20334 |
21125 |
22693 |
21130 |
20706 |
21514 |
19980 |
20283 |
18868 |
18648 |
20302 |
| 1992 |
18830 |
19809 |
20538 |
21791 |
21211 |
20994 |
20334 |
20563 |
20754 |
20612 |
19017 |
18827 |
20327 |
| 1993 |
17944 |
19791 |
20849 |
22013 |
21597 |
21959 |
21247 |
22186 |
19845 |
20025 |
19871 |
21234 |
20719 |
| 1994 |
19629 |
20800 |
23114 |
23041 |
23182 |
22840 |
21805 |
23473 |
22638 |
22799 |
22426 |
22459 |
22359 |
| 1995 |
21904 |
23542 |
26206 |
26581 |
25832 |
27981 |
25480 |
25839 |
25527 |
24553 |
23494 |
24556 |
25125 |
| 1996 |
23775 |
23673 |
24838 |
22237 |
21977 |
23283 |
21707 |
22008 |
22968 |
23936 |
22033 |
20170 |
22717 |
| 1997 |
19479 |
23026 |
20791 |
21369 |
21623 |
21936 |
20603 |
21082 |
20785 |
20607 |
19733 |
19648 |
20890 |
| 1998 |
18796 |
20311 |
20999 |
21967 |
21758 |
22152 |
21066 |
21306 |
20409 |
19355 |
18465 |
19960 |
20545 |
| 1999 |
19028 |
19337 |
19003 |
19554 |
19569 |
21458 |
22661 |
23604 |
23553 |
23765 |
23100 |
23860 |
21541 |
| 2000 |
23621 |
25100 |
25862 |
26939 |
26978 |
27489 |
26077 |
26867 |
26346 |
26123 |
25055 |
25319 |
25981 |
| 2001 |
23930 |
25570 |
26442 |
27539 |
27690 |
25632 |
23956 |
25422 |
26535 |
26751 |
25946 |
25187 |
25883 |
| 2002 |
25219 |
26626 |
26704 |
29010 |
28739 |
28735 |
27942 |
27947 |
26813 |
26884 |
25545 |
25190 |
27113 |
| 2003 |
25274 |
26422 |
26249 |
27931 |
28387 |
28613 |
27699 |
27396 |
27308 |
27405 |
25196 |
25771 |
26971 |
| 2004 |
24111 |
25512 |
26622 |
28103 |
26909 |
|
|
|
|
25491 |
25160 |
25452 |
|
| 2005 |
23773 |
25938 |
26787 |
27528 |
28043 |
28261 |
26537 |
27782 |
26649 |
26085 |
25318 |
25057 |
26480 |
| 2006 |
24740 |
26120 |
26734 |
27528 |
28498 |
28795 |
24773 |
26918 |
26234 |
26145 |
25448 |
24824 |
26396 |
| 2007 |
24122 |
25155 |
26922 |
26798 |
28184 |
28082 |
26623 |
27486 |
26134 |
26619 |
25336 |
24225 |
26307 |
| 2008 |
23482 |
25061 |
25189 |
26723 |
26739 |
26107 |
25064 |
24974 |
25020 |
24799 |
23253 |
23445 |
24988 |
| 2009 |
22885 |
24294 |
24414 |
26628 |
29043 |
27002 |
25609 |
25103 |
25333 |
24720 |
23581 |
23464 |
25173 |
| 2010 |
22692 |
24376 |
25301 |
26011 |
25599 |
26134 |
25049 |
25464 |
25367 |
24517 |
22919 |
24060 |
24791 |
| 2011 |
23341 |
24248 |
24787 |
25938 |
25850 |
26057 |
24713 |
24641 |
24803 |
24439 |
23077 |
23490 |
24615 |
| 2012 |
22739 |
24235 |
24348 |
26030 |
25389 |
25954 |
24797 |
25219 |
25323 |
24875 |
23478 |
23364 |
24646 |
| 2013 |
21767 |
23861 |
24866 |
25878 |
26108 |
25825 |
24777 |
25601 |
25192 |
24743 |
23227 |
22433 |
24523 |
| 2014 |
22128 |
23130 |
24157 |
25506 |
25689 |
25594 |
24169 |
24851 |
24613 |
24395 |
22109 |
22848 |
24099 |
| 2015 |
22411 |
24122 |
24604 |
25604 |
25402 |
25400 |
24515 |
24765 |
24594 |
24117 |
23282 |
23309 |
24344 |
| 2016 |
23140 |
24420 |
24919 |
26606 |
26234 |
25823 |
24355 |
25200 |
24598 |
24139 |
23005 |
21780 |
24518 |
| 2017 |
19929 |
22886 |
24021 |
25439 |
25668 |
25364 |
24449 |
24916 |
24388 |
24192 |
22797 |
22339 |
23866 |
| 2018 |
21944 |
22161 |
21782 |
19940 |
19846 |
19676 |
18681 |
19226 |
18821 |
18377 |
18957 |
18964 |
19865 |
| 2019 |
18906 |
19252 |
20502 |
22039 |
22007 |
22249 |
21469 |
22732 |
22403 |
21966 |
20969 |
20612 |
21259 |
| 2020 |
20384 |
21659 |
18351 |
15350 |
19127 |
21018 |
20671 |
21189 |
21208 |
21218 |
19145 |
19056 |
19865 |
| 2021 |
19166 |
20011 |
21287 |
22103 |
22429 |
22518 |
21341 |
21847 |
21391 |
20804 |
20409 |
19979 |
21107 |
| 2022 |
19115 |
20883 |
21637 |
22691 |
22816 |
23585 |
21733 |
22385 |
22045 |
22170 |
19737 |
19767 |
21547 |
| 2023 |
20539 |
21392 |
21473 |
23720 |
24306 |
23630 |
22772 |
23429 |
22925 |
22843 |
|
|
|