| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 624 (Very high) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |
| February | 1,539 (Very high) | 4 (Low) | 10 (Low) | 2 (Low) | 0 (Low) |
| March | 104 (High) | 8,338 (Very high) | 19 (Low) | 8 (Low) | 2 (Low) |
| April | 29 (Low) | 2,648 (Very high) | 65 (Medium) | 164 (Very high) | 25 (Low) |
| May | 17 (Low) | 51 (Medium) | 313 (Very high) | 211 (Very high) | 651 (Very high) |
| June | 14 (Low) | 36 (Medium) | 231 (Very high) | 53 (High) | 147 (Medium) |
| July | 6 (Low) | 5 (Low) | 66 (Medium) | 23 (Medium) | 9 (Low) |
| August | 2 (Low) | 11 (Low) | 9 (Low) | 3 (Low) | 4 (Low) |
| September | 2 (Low) | 2 (Low) | 5 (Low) | 3 (Low) | 1 (Low) |
| October | 78 (Medium) | 6 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| November | 201 (Very high) | 5 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| December | 1,021 (Very high) | 5 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |