| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 90 | 0 | 2 | 0 | 0 |
| February | 56 | 0 | 2 | 0 | 0 |
| March | 371 | 1 | 4 | 1 | 0 |
| April | 6 | 212 | 7 | 6 | 2 |
| May | 3 | 4 | 26 | 6 | 93 |
| June | 4 | 0 | 5 | 2 | 15 |
| July | 1 | 0 | 4 | 1 | 0 |
| August | 0 | 0 | 2 | 1 | 0 |
| September | 1 | 0 | 2 | 1 | 0 |
| October | 3 | 0 | 1 | 0 | 0 |
| November | 2 | 0 | 0 | 1 | 0 |
| December | — | — | — | — | — |