Automatic Counter Volumes
| Year | Jan. | Feb. | Mar. | Apr. | May. | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. | 24-Hour Annual Avg. |
| 1990 |
6245 |
6700 |
7140 |
7289 |
7756 |
7842 |
7536 |
7691 |
7473 |
8104 |
7468 |
7111 |
7367 |
| 1991 |
6467 |
7149 |
7586 |
7963 |
7918 |
8059 |
7891 |
8049 |
7783 |
8406 |
7746 |
7785 |
7737 |
| 1992 |
7307 |
8063 |
8345 |
8636 |
8658 |
9093 |
8755 |
8390 |
8455 |
8680 |
8227 |
8345 |
8436 |
| 1993 |
7214 |
7832 |
8372 |
8868 |
8868 |
9312 |
8939 |
8612 |
8831 |
9071 |
8612 |
8876 |
8621 |
| 1994 |
7906 |
8199 |
8909 |
9216 |
9620 |
9768 |
9211 |
9435 |
9745 |
9680 |
8709 |
9086 |
9129 |
| 1995 |
8672 |
8812 |
9185 |
9481 |
9448 |
9939 |
9743 |
9723 |
9630 |
9484 |
9290 |
9383 |
9399 |
| 1996 |
8487 |
8778 |
9388 |
9534 |
9880 |
9813 |
9497 |
8560 |
9312 |
9370 |
9578 |
9422 |
9302 |
| 1997 |
8930 |
9715 |
9605 |
9755 |
10187 |
10318 |
10037 |
10157 |
9696 |
9449 |
9714 |
10564 |
9844 |
| 1998 |
9125 |
9914 |
10117 |
10223 |
10187 |
10804 |
10453 |
10709 |
10596 |
10927 |
10643 |
11361 |
10422 |
| 1999 |
10130 |
10260 |
10936 |
11250 |
11346 |
11603 |
11366 |
12131 |
11945 |
11968 |
11352 |
11310 |
11300 |
| 2000 |
10484 |
11257 |
11445 |
12030 |
12376 |
12500 |
12708 |
12465 |
12359 |
12307 |
11772 |
11666 |
11947 |
| 2001 |
10645 |
11533 |
12312 |
12172 |
12197 |
12378 |
12173 |
12659 |
12245 |
12501 |
12003 |
11559 |
12031 |
| 2002 |
11842 |
12614 |
12392 |
12992 |
13566 |
13534 |
13598 |
14398 |
13825 |
14122 |
13671 |
13278 |
13319 |
| 2003 |
12730 |
13356 |
13178 |
14064 |
14215 |
14121 |
13900 |
13941 |
13973 |
14019 |
13148 |
13458 |
13675 |
| 2004 |
12176 |
13009 |
13838 |
14190 |
13850 |
14230 |
13882 |
13790 |
13836 |
13689 |
13403 |
13384 |
13606 |
| 2005 |
12268 |
12468 |
12421 |
13553 |
13794 |
14239 |
8018 |
7008 |
13052 |
13245 |
13100 |
13014 |
12182 |
| 2006 |
12574 |
13779 |
6802 |
1281 |
1456 |
2038 |
1974 |
1167 |
1325 |
2195 |
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