| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 2.716 | 0 | 1 | 0 | 0 |
| February | 4.777 | 0 | 18 | 0 | 0 |
| March | 1.768 | 5 | 6 | 1 | 0 |
| April | 37 | 186 | 32 | 8 | 12 |
| May | 17 | 1 | 171 | 42 | 193 |
| June | 4 | 0 | 142 | 32 | 16 |
| July | 2 | 0 | 47 | 7 | 2 |
| August | 2 | 0 | 14 | 4 | 2 |
| September | 2 | 0 | 2 | 0 | 0 |
| October | 2 | 0 | 3 | 1 | 0 |
| November | 34 | 0 | 1 | 0 | 0 |
| December | 59 | 0 | 1 | 0 | 0 |