| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,275 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 619 (Very high) | 0 (Low) | 15 (Low) | 1 (Low) | 0 (Low) |
| March | 1,252 (Very high) | 594 (Very high) | 10 (Low) | 7 (Low) | 0 (Low) |
| April | 44 (Medium) | 351 (Very high) | 32 (Medium) | 46 (Medium) | 41 (Low) |
| May | 18 (Low) | 4 (Low) | 104 (High) | 16 (Low) | 305 (High) |
| June | 12 (Low) | 1 (Low) | 32 (Medium) | 6 (Low) | 59 (Medium) |
| July | 1 (Low) | 1 (Low) | 6 (Low) | 5 (Low) | 2 (Low) |
| August | 1 (Low) | 0 (Low) | 3 (Low) | 2 (Low) | 1 (Low) |
| September | 4 (Low) | 0 (Low) | 3 (Low) | 1 (Low) | 0 (Low) |
| October | 24 (Low) | 1 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 8 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| December | 80 (Medium) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |