| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | ||
| 2006 | 5,599 | 5,214 | 6,053 | 5,878 | 6,264 | 6,060 | 5,484 | 5,880 | 5,253 | 5,125 | 4,043 | 3,196 | 64,049 | |
| 2007 | 5,809 | 5,210 | 6,121 | 5,575 | 5,760 | 5,476 | 5,611 | 5,809 | 4,735 | 5,202 | 4,089 | 3,386 | 62,783 | |
| 2008 | 5,023 | 4,805 | 4,860 | 5,124 | 5,142 | 5,322 | 5,487 | 5,302 | 5,330 | 5,511 | 4,577 | 4,555 | 61,038 | |
| 2009 | 5,002 | 4,954 | 5,643 | 4,297 | 4,211 | 4,799 | 5,087 | 5,104 | 4,926 | 5,482 | 4,039 | 3,472 | 57,016 | |
| 2010 | 5,323 | 4,094 | 9,417 | |||||||||||
|
||||||||||||||