| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 617 | 0 | 4 | 0 | 0 |
| February | 451 | 0 | 14 | 0 | 0 |
| March | 661 | 0 | 15 | 0 | 0 |
| April | 14 | 92 | 26 | 47 | 2 |
| May | 68 | 4 | 328 | 79 | 39 |
| June | 100 | 0 | 353 | 48 | 716 |
| July | 10 | 1 | 35 | 8 | 4 |
| August | 4 | 0 | 6 | 2 | 0 |
| September | 2 | 0 | 2 | 1 | 0 |
| October | 1 | 0 | 1 | 1 | 0 |
| November | 2 | 0 | 1 | 1 | 0 |
| December | 4 | 0 | 0 | 0 | 0 |