| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 1,649 (Very high) | 0 (Low) | 5 (Low) | 0 (Low) | 0 (Low) |
| February | 1,798 (Very high) | 0 (Low) | 15 (Low) | 0 (Low) | 0 (Low) |
| March | 4,489 (Very high) | 3,623 (Very high) | 13 (Low) | 1 (Low) | 0 (Low) |
| April | 43 (Medium) | 6,990 (Very high) | 56 (Medium) | 23 (Medium) | 1 (Low) |
| May | 64 (Medium) | 21 (Low) | 437 (Very high) | 49 (Medium) | 247 (High) |
| June | 18 (Low) | 0 (Low) | 105 (High) | 20 (Medium) | 59 (Medium) |
| July | 8 (Low) | 0 (Low) | 46 (Medium) | 6 (Low) | 1 (Low) |
| August | 1 (Low) | 0 (Low) | 8 (Low) | 2 (Low) | 0 (Low) |
| September | 3 (Low) | 2 (Low) | 6 (Low) | 2 (Low) | 1 (Low) |
| October | 7 (Low) | 3 (Low) | 4 (Low) | 1 (Low) | 1 (Low) |
| November | 128 (High) | 1 (Low) | 1 (Low) | 1 (Low) | 0 (Low) |
| December | 546 (Very high) | 0 (Low) | 2 (Low) | 0 (Low) | 0 (Low) |