| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 88 | 0 | 2 | 0 | 0 |
| February | 426 | 0 | 11 | 0 | 0 |
| March | 108 | 559 | 9 | 1 | 0 |
| April | 7 | 538 | 10 | 2 | 0 |
| May | 1 | 0 | 29 | 3 | 4 |
| June | 1 | 0 | 8 | 3 | 5 |
| July | 1 | 1 | 9 | 2 | 7 |
| August | 1 | 0 | 5 | 1 | 3 |
| September | 0 | 0 | 5 | 0 | 1 |
| October | 1 | 0 | 1 | 0 | 0 |
| November | 1 | 0 | 1 | 0 | 1 |
| December | 19 | 0 | 1 | 1 | 1 |