| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 73 | 0 | 2 | 0 | 0 |
| February | 10 | 0 | 2 | 0 | 0 |
| March | 5 | 5 | 1 | 0 | 0 |
| April | 2 | 73 | 4 | 1 | 0 |
| May | — | — | — | — | — |
| June | — | — | — | — | — |
| July | — | — | — | — | — |
| August | 1 | 0 | 2 | 1 | 1 |
| September | — | — | — | — | — |
| October | 0 | 0 | 0 | 0 | 0 |
| November | 2 | 0 | 0 | 0 | 0 |
| December | — | — | — | — | — |