| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 68 | 0 | 2 | 0 | 0 |
| February | 326 | 0 | 2 | 0 | 0 |
| March | 139 | 0 | 2 | 0 | 0 |
| April | 29 | 12 | 13 | 2 | 2 |
| May | 4 | 8 | 41 | 32 | 31 |
| June | — | — | — | — | — |
| July | — | — | — | — | — |
| August | — | — | — | — | — |
| September | — | — | — | — | — |
| October | — | — | — | — | — |
| November | 1 | 0 | 1 | 0 | 0 |
| December | 133 | 0 | 2 | 0 | 0 |