Automatic Counter Volumes
| Year | Jan. | Feb. | Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | 24-Hour Annual Avg. |
| 1990 |
3211 |
3441 |
3673 |
3784 |
3744 |
3800 |
3745 |
4177 |
3852 |
3518 |
3355 |
3171 |
3623 |
| 1991 |
3107 |
3394 |
3617 |
3719 |
3803 |
3823 |
3886 |
4289 |
3923 |
3703 |
3501 |
3610 |
3700 |
| 1992 |
3385 |
3593 |
3869 |
3990 |
3997 |
3927 |
3938 |
4322 |
4100 |
3795 |
3509 |
3590 |
3846 |
| 1993 |
3255 |
3458 |
3810 |
4067 |
4052 |
4022 |
3926 |
4361 |
4208 |
3876 |
3661 |
3729 |
3871 |
| 1994 |
3539 |
3673 |
4057 |
4401 |
4141 |
4208 |
4134 |
4251 |
4258 |
3921 |
3602 |
3719 |
3993 |
| 1995 |
3467 |
3685 |
3815 |
4037 |
4147 |
4064 |
4222 |
4277 |
4258 |
4041 |
3854 |
3944 |
3984 |
| 1996 |
3474 |
3833 |
4056 |
4129 |
4044 |
3896 |
3969 |
4460 |
4216 |
3926 |
3843 |
3773 |
3968 |
| 1997 |
3646 |
3832 |
3951 |
4169 |
4328 |
4526 |
4139 |
4496 |
4165 |
3886 |
3734 |
3838 |
4059 |
| 1998 |
3547 |
3752 |
3963 |
4147 |
4147 |
4131 |
4176 |
4501 |
4313 |
4128 |
3940 |
4036 |
4065 |
| 1999 |
3779 |
4021 |
4316 |
4490 |
4693 |
4824 |
4648 |
4616 |
4359 |
4284 |
4093 |
4249 |
4364 |
| 2000 |
3784 |
4036 |
4185 |
4207 |
4316 |
4442 |
|
|
4594 |
4226 |
3776 |
4248 |
|
| 2001 |
3863 |
4065 |
4195 |
4346 |
4365 |
4347 |
4285 |
4667 |
4394 |
4205 |
4516 |
4225 |
4289 |
| 2002 |
4110 |
3996 |
4369 |
4724 |
4531 |
4687 |
4496 |
4734 |
4545 |
4522 |
4121 |
4233 |
4422 |
| 2003 |
3964 |
4098 |
4195 |
4471 |
4543 |
4612 |
4409 |
4724 |
4427 |
4322 |
4071 |
4099 |
4328 |
| 2004 |
3836 |
4061 |
4237 |
4401 |
4367 |
4378 |
4621 |
4722 |
4419 |
4311 |
4155 |
4389 |
4325 |
| 2005 |
4046 |
4206 |
4293 |
4433 |
4560 |
4615 |
4713 |
4802 |
4493 |
4237 |
4229 |
4352 |
4415 |
| 2006 |
4076 |
4260 |
4307 |
4496 |
4569 |
4590 |
3708 |
3670 |
3716 |
4005 |
4131 |
4161 |
4141 |
| 2007 |
3925 |
4140 |
4270 |
4358 |
4480 |
4214 |
4201 |
4491 |
4130 |
4073 |
3958 |
4127 |
4197 |
| 2008 |
3863 |
4045 |
4095 |
4305 |
4414 |
4288 |
4353 |
4553 |
|
4237 |
3984 |
4210 |
|
| 2009 |
3944 |
4077 |
4149 |
4501 |
4688 |
4454 |
4633 |
4792 |
4548 |
4470 |
4125 |
4369 |
4396 |
| 2010 |
4004 |
4212 |
4625 |
4610 |
4179 |
4659 |
4791 |
5214 |
4603 |
4358 |
4109 |
4457 |
4485 |
| 2011 |
4155 |
4261 |
4603 |
4612 |
4799 |
4916 |
4793 |
4937 |
4717 |
4586 |
4135 |
4463 |
4581 |
| 2012 |
4068 |
4308 |
4382 |
4475 |
4407 |
4451 |
4429 |
4702 |
4887 |
4642 |
4218 |
4467 |
4453 |
| 2013 |
4054 |
4005 |
4297 |
4474 |
4423 |
4461 |
4317 |
4940 |
4814 |
4203 |
3864 |
4097 |
4329 |
| 2014 |
3847 |
4101 |
3975 |
4235 |
4385 |
4393 |
4245 |
4499 |
4540 |
4462 |
4129 |
|
4148 |
| 2015 |
3749 |
4164 |
4185 |
4389 |
4448 |
4576 |
4456 |
4695 |
4477 |
4436 |
4140 |
4449 |
4347 |
| 2016 |
4137 |
4248 |
4415 |
4598 |
4584 |
4747 |
4565 |
4607 |
4707 |
4658 |
4318 |
4382 |
4497 |
| 2017 |
4017 |
4322 |
4604 |
4998 |
6052 |
6475 |
5243 |
5627 |
5654 |
5579 |
4590 |
4683 |
5154 |
| 2018 |
4278 |
4498 |
4636 |
5247 |
5483 |
5536 |
5420 |
5625 |
5401 |
5353 |
4550 |
4641 |
5056 |
| 2019 |
4295 |
4498 |
4739 |
5652 |
5593 |
6192 |
5398 |
5815 |
5409 |
5251 |
4730 |
4423 |
5166 |
| 2020 |
4078 |
4234 |
3867 |
3427 |
4143 |
4039 |
4388 |
4693 |
5034 |
4607 |
4176 |
3979 |
4222 |
| 2021 |
3915 |
4093 |
4374 |
4621 |
4745 |
4752 |
4634 |
4554 |
4589 |
4480 |
4009 |
4055 |
4402 |
| 2022 |
3793 |
3945 |
4242 |
4267 |
4506 |
4625 |
4519 |
4731 |
4578 |
4655 |
4078 |
4146 |
4339 |
| 2023 |
4032 |
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