| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 229 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| February | 72 (Medium) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| March | 145 (High) | 9 (Low) | 4 (Low) | 0 (Low) | 0 (Low) |
| April | 14 (Low) | 6 (Low) | 2 (Low) | 2 (Low) | 1 (Low) |
| May | 1 (Low) | 1 (Low) | 5 (Low) | 3 (Low) | 4 (Low) |
| June | 18 (Low) | 0 (Low) | 177 (Very high) | 36 (Medium) | 35 (Low) |
| July | 3 (Low) | 0 (Low) | 417 (Very high) | 15 (Low) | 12 (Low) |
| August | 2 (Low) | 1 (Low) | 17 (Low) | 5 (Low) | 2 (Low) |
| September | 5 (Low) | 0 (Low) | 6 (Low) | 3 (Low) | 1 (Low) |
| October | 11 (Low) | 0 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| November | 5 (Low) | 0 (Low) | 1 (Low) | 0 (Low) | 1 (Low) |
| December | 87 (Medium) | 0 (Low) | 3 (Low) | 0 (Low) | 1 (Low) |