| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | ||
| 2005 | 441 | 470 | 737 | 692 | 751 | 761 | 697 | 814 | 669 | 652 | 601 | 587 | 7,872 | |
| 2006 | 455 | 484 | 646 | 541 | 605 | 587 | 505 | 512 | 438 | 357 | 324 | 372 | 5,826 | |
| 2007 | 318 | 277 | 341 | 296 | 373 | 344 | 303 | 285 | 213 | 197 | 162 | 167 | 3,276 | |
| 2008 | 168 | 166 | 198 | 212 | 266 | 294 | 358 | 385 | 386 | 414 | 392 | 455 | 3,694 | |
| 2009 | 440 | 442 | 604 | 727 | 737 | 917 | 864 | 810 | 859 | 850 | 7,250 | |||
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