| Year | Month | Total |
| 2008 | May | 213 |
| 2008 | April | 473 |
| 2008 | March | 299 |
| 2008 | February | 698 |
| 2008 | January | 798 |
| 2007 | December | 729 |
| 2007 | November | 697 |
| 2007 | October | 481 |
| 2007 | September | 340 |
| 2007 | August | 518 |
| 2007 | July | 440 |
| 2007 | June | 533 |
| 2007 | May | 568 |
| 2007 | April | 559 |
| 2007 | March | 611 |
| 2007 | February | 585 |
| 2007 | January | 709 |
| 2006 | December | 688 |
| 2006 | November | 565 |
| 2006 | October | 797 |
| 2006 | September | 605 |
| 2006 | August | 1147 |
| 2006 | July | 1158 |
| 2006 | June | 822 |
| 2006 | May | 676 |
| 2006 | April | 1186 |
| 2006 | March | 1419 |
| 2006 | February | 1384 |
| 2006 | January | 2242 |
| 2005 | December | 3324 |
