| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| 2000 | 4 | 5 | 12 | 5 | 4 | |||||||
| 2001 | 6 | 6 | 2 | 6 | 3 | 4 | 5 | 13 | 6 | 15 | 23 | 37 |
| 2002 | 21 | 21 | 22 | 35 | 17 | 40 | 47 | 36 | 48 | 63 | 48 | 35 |
| 2003 | 84 | 101 | 94 | 64 | 74 | 52 | 45 | 65 | 71 | 70 | 64 | 54 |
| 2004 | 67 | 67 | 63 | 53 | 56 | 56 | 69 | 76 | 54 | 65 | 68 | 44 |
| 2005 | 46 | 58 | 72 | 32 | 30 | 42 | 37 | 37 | 29 | 32 | 41 | 30 |
| 2006 | 39 | 7 |