| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
| 2008 | 42 | 20 | 22 | 41 | 125 | ||||||||
| 2007 | 29 | 14 | 5 | 24 | 17 | 28 | 36 | 43 | 48 | 19 | 21 | 28 | 312 |
| 2006 | 15 | 8 | 7 | 16 | 14 | 27 | 42 | 8 | 16 | 38 | 21 | 15 | 227 |
| 2005 | 34 | 35 | 11 | 47 | 17 | 16 | 20 | 46 | 18 | 29 | 7 | 23 | 303 |
| 2004 | 34 | 21 | 25 | 45 | 38 | 34 | 21 | 28 | 9 | 4 | 41 | 30 | 330 |
| 2003 | 74 | 26 | 58 | 40 | 55 | 14 | 75 | 8 | 25 | 36 | 61 | 14 | 486 |
| 2002 | 20 | 51 | 36 | 13 | 83 | 63 | 57 | 42 | 86 | 33 | 23 | 13 | 520 |
| 2001 | 46 | 10 | 74 | 51 | 22 | 47 | 81 | 52 | 38 | 30 | 58 | 13 | 522 |
| 2000 | 48 | 24 | 61 | 43 | 34 | 20 | 53 | 30 | 21 | 43 | 36 | 16 | 429 |
| 1999 | 5 | 85 | 38 | 34 | 32 | 84 | 46 | 24 | 21 | 35 | 36 | 14 | 454 |
| 1998 | 0 | 43 | 19 | 44 | 15 | 32 | 18 | 31 | 57 | 16 | 2 | 82 | 359 |