| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 23 | 0 | 1 | 0 | 0 |
| February | 457 | 0 | 7 | 0 | 0 |
| March | 86 | 1.294 | 5 | 1 | 0 |
| April | 11 | 480 | 26 | 21 | 10 |
| May | 13 | 4 | 181 | 41 | 57 |
| June | 2 | 3 | 24 | 4 | 55 |
| July | 2 | 1 | 4 | 2 | 1 |
| August | 1 | 0 | 3 | 1 | 2 |
| September | 1 | 1 | 2 | 1 | 1 |
| October | 2 | 0 | 0 | 0 | 0 |
| November | 2 | 1 | 1 | 0 | 0 |
| December | 13 | 0 | 1 | 0 | 0 |