| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |||
| 2005 | 967 | 930 | 890 | 2,787 | |||||||||||
| 2006 | 1,113 | 1,078 | 1,218 | 1,071 | 1,188 | 1,264 | 1,100 | 1,376 | 1,099 | 1,102 | 1,009 | 1,052 | 13,670 | ||
| 2007 | 1,262 | 1,312 | 1,406 | 1,344 | 1,336 | 1,399 | 1,426 | 1,735 | 1,387 | 1,501 | 1,452 | 1,156 | 16,716 | ||
| 2008 | 1,500 | 1,632 | 1,531 | 1,536 | 1,554 | 1,564 | 1,679 | 1,719 | 1,531 | 1,707 | 1,405 | 1,390 | 18,748 | ||
| 2009 | 1,651 | 1,702 | 1,825 | 1,677 | 1,760 | 1,833 | 2029 | 2011 | 1849 | 2015 | 18,352 | ||||
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