| Year | Month | Total |
| 2010 | March | 166 |
| 2010 | February | 431 |
| 2010 | January | 481 |
| 2009 | December | 387 |
| 2009 | November | 408 |
| 2009 | October | 508 |
| 2009 | September | 498 |
| 2009 | August | 504 |
| 2009 | July | 514 |
| 2009 | June | 433 |
| 2009 | May | 158 |
| 2009 | April | 316 |
| 2009 | March | 549 |
| 2009 | February | 434 |
| 2009 | January | 486 |
| 2008 | December | 406 |
| 2008 | November | 443 |
| 2008 | October | 526 |
| 2008 | September | 308 |
| 2008 | August | 463 |
| 2008 | July | 450 |
| 2008 | June | 446 |
| 2008 | May | 492 |
| 2008 | April | 475 |
| 2008 | March | 298 |
| 2008 | February | 688 |
| 2008 | January | 788 |
| 2007 | December | 722 |
| 2007 | November | 689 |
| 2007 | October | 473 |
