| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| 2001 | 92 | 36 | 65 | 57 | 75 | |||||||
| 2002 | 47 | 102 | 92 | 95 | 70 | 87 | 38 | 50 | 67 | 55 | 98 | 103 |
| 2003 | 66 | 61 | 69 | 77 | 85 | 91 | 63 | 57 | 78 | 82 | 50 | 84 |
| 2004 | 139 | 85 | 125 | 77 | 75 | 107 | 130 | 122 | 100 | 127 | 85 | 101 |
| 2005 | 124 | 79 | 73 | 58 | 52 | 51 | 23 | 27 | 24 | 21 | 21 | 18 |
| 2006 | 21 | 4 |