| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,205 (Very high) | 0 (Low) | 21 (Low) | 0 (Low) | 0 (Low) |
| February | 508 (Very high) | 6 (Low) | 11 (Low) | 0 (Low) | 0 (Low) |
| March | 128 (High) | 63 (Medium) | 11 (Low) | 1 (Low) | 0 (Low) |
| April | 6 (Low) | 354 (Very high) | 13 (Low) | 52 (High) | 4 (Low) |
| May | 38 (Medium) | 2 (Low) | 244 (Very high) | 49 (Medium) | 75 (Medium) |
| June | 49 (Medium) | 0 (Low) | 154 (Very high) | 49 (Medium) | 163 (Medium) |
| July | 1 (Low) | 0 (Low) | 53 (Medium) | 12 (Low) | 1 (Low) |
| August | 0 (Low) | 0 (Low) | 5 (Low) | 2 (Low) | 1 (Low) |
| September | 2 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| October | 1 (Low) | 0 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 1 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| December | 2 (Low) | 0 (Low) | 0 (Low) | 0 (Low) | 0 (Low) |