| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 4 | 0 | 2 | 0 | 0 |
| February | 12 | 0 | 4 | 0 | 0 |
| March | 53 | 6 | 6 | 0 | 0 |
| April | 4 | 142 | 24 | 26 | 3 |
| May | 2 | 16 | 57 | 36 | 16 |
| June | 2 | 0 | 63 | 13 | 39 |
| July | 0 | 0 | 16 | 1 | 1 |
| August | 0 | 0 | 3 | 1 | 1 |
| September | 0 | 0 | 1 | 1 | 1 |
| October | 8 | 0 | 1 | 0 | 0 |
| November | 231 | 0 | 1 | 0 | 0 |
| December | 55 | 0 | 1 | 0 | 0 |