| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,057 (Very high) | 0 (Low) | 4 (Low) | 0 (Low) | 1 (Low) |
| February | 805 (Very high) | 2 (Low) | 12 (Low) | 1 (Low) | 0 (Low) |
| March | 461 (Very high) | 3,939 (Very high) | 12 (Low) | 15 (Low) | 11 (Low) |
| April | 77 (Medium) | 1,194 (Very high) | 43 (Medium) | 54 (High) | 42 (Low) |
| May | 29 (Low) | 13 (Low) | 135 (High) | 49 (Medium) | 485 (Very high) |
| June | 9 (Low) | 3 (Low) | 46 (Medium) | 18 (Low) | 67 (Medium) |
| July | 2 (Low) | 2 (Low) | 6 (Low) | 5 (Low) | 4 (Low) |
| August | 1 (Low) | 1 (Low) | 4 (Low) | 3 (Low) | 3 (Low) |
| September | 6 (Low) | 11 (Low) | 5 (Low) | 3 (Low) | 2 (Low) |
| October | 17 (Low) | 1 (Low) | 2 (Low) | 1 (Low) | 1 (Low) |
| November | 9 (Low) | 1 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| December | 32 (Medium) | 0 (Low) | 1 (Low) | 0 (Low) | 0 (Low) |