| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 2.349 | 0 | 3 | 0 | 0 |
| February | 1.660 | 0 | 5 | 0 | 0 |
| March | 2.770 | 49 | 19 | 4 | 0 |
| April | 172 | 308 | 21 | 13 | 11 |
| May | 31 | 4 | 161 | 51 | 66 |
| June | 15 | 1 | 59 | 18 | 77 |
| July | 3 | 1 | 98 | 3 | 2 |
| August | 3 | 0 | 10 | 3 | 0 |
| September | 1 | 0 | 1 | 0 | 0 |
| October | 8 | 0 | 2 | 0 | 0 |
| November | 742 | 0 | 1 | 0 | 0 |
| December | 163 | 0 | 0 | 0 | 0 |