| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 29 | 0 | 14 | 0 | 0 |
| February | 12 | 0 | 11 | 0 | 0 |
| March | 15 | 237 | 4 | 1 | 0 |
| April | 6 | 25 | 3 | 3 | 4 |
| May | 1 | 2 | 15 | 9 | 64 |
| June | 1 | 0 | 12 | 4 | 18 |
| July | 1 | 0 | 3 | 2 | 0 |
| August | 1 | 0 | 1 | 1 | 2 |
| September | 0 | 0 | 1 | 0 | 1 |
| October | 3 | 0 | 1 | 0 | 3 |
| November | 10 | 0 | 0 | 0 | 1 |
| December | 2 | 0 | 1 | 0 | 1 |