| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 739 | 0 | 4 | 0 | 0 |
| February | 3.161 | 0 | 11 | 0 | 0 |
| March | 983 | 790 | 8 | 1 | 0 |
| April | 19 | 909 | 22 | 10 | 2 |
| May | 9 | 17 | 138 | 15 | 278 |
| June | 4 | 4 | 79 | 19 | 10 |
| July | 1 | 5 | 21 | 4 | 1 |
| August | 1 | 1 | 4 | 3 | 1 |
| September | 1 | 4 | 3 | 1 | 0 |
| October | 1 | 0 | 1 | 0 | 0 |
| November | 5 | 0 | 1 | 0 | 0 |
| December | 3 | 1 | 0 | 0 | 0 |