| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |||
| 2005 | 1,333 | 1,223 | 1,102 | 3,658 | |||||||||||
| 2006 | 1,338 | 1,114 | 1,288 | 1,056 | 1,194 | 1,312 | 1,347 | 1,551 | 1,601 | 1,829 | 1,526 | 1,340 | 16,496 | ||
| 2007 | 1,686 | 1,410 | 1,572 | 1,450 | 1,608 | 1,733 | 1,794 | 1,950 | 1,796 | 2,034 | 1,648 | 1,482 | 20,163 | ||
| 2008 | 1,732 | 1,462 | 1,634 | 1,623 | 6,451 | ||||||||||
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