| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 480 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |
| February | 1,252 (Very high) | 0 (Low) | 7 (Low) | 0 (Low) | 0 (Low) |
| March | 128 (High) | 4,475 (Very high) | 4 (Low) | 3 (Low) | 0 (Low) |
| April | 15 (Low) | 854 (Very high) | 34 (Medium) | 113 (Very high) | 5 (Low) |
| May | 7 (Low) | 120 (High) | 241 (Very high) | 131 (Very high) | 295 (High) |
| June | 7 (Low) | 1 (Low) | 55 (Medium) | 17 (Low) | 56 (Medium) |
| July | 3 (Low) | 1 (Low) | 37 (Medium) | 9 (Low) | 1 (Low) |
| August | 1 (Low) | 1 (Low) | 4 (Low) | 2 (Low) | 1 (Low) |
| September | 2 (Low) | 3 (Low) | 2 (Low) | 2 (Low) | 0 (Low) |
| October | 46 (Medium) | 1 (Low) | 2 (Low) | 1 (Low) | 0 (Low) |
| November | 230 (Very high) | 1 (Low) | 1 (Low) | 1 (Low) | 1 (Low) |
| December | 969 (Very high) | 1 (Low) | 3 (Low) | 0 (Low) | 1 (Low) |