| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,257 (Very high) | 1 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| February | 1,020 (Very high) | 0 (Low) | 21 (Low) | 0 (Low) | 0 (Low) |
| March | 108 (High) | 2,920 (Very high) | 16 (Low) | 3 (Low) | 0 (Low) |
| April | 113 (High) | 187 (High) | 23 (Low) | 39 (Medium) | 177 (Medium) |
| May | 13 (Low) | 1 (Low) | 111 (High) | 116 (Very high) | 356 (High) |
| June | 3 (Low) | 1 (Low) | 110 (High) | 73 (High) | 40 (Low) |
| July | 1 (Low) | 0 (Low) | 36 (Medium) | 10 (Low) | 2 (Low) |
| August | 1 (Low) | 0 (Low) | 7 (Low) | 3 (Low) | 1 (Low) |
| September | 1 (Low) | 4 (Low) | 7 (Low) | 3 (Low) | 0 (Low) |
| October | 4 (Low) | 0 (Low) | 2 (Low) | 2 (Low) | 0 (Low) |
| November | 8 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 11 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |