| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 15 | 0 | 0 | 0 | 0 |
| February | 221 | 0 | 4 | 0 | 0 |
| March | 554 | 0 | 5 | 0 | 0 |
| April | 3 | 3 | 29 | 91 | 3 |
| May | 12 | 0 | 192 | 135 | 675 |
| June | 5 | 1 | 51 | 9 | 149 |
| July | 0 | 0 | 10 | 2 | 2 |
| August | 2 | 0 | 7 | 1 | 3 |
| September | 1 | 1 | 2 | 2 | 2 |
| October | — | — | — | — | — |
| November | — | — | — | — | — |
| December | — | — | — | — | — |