| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive |
|---|---|---|---|---|---|
| January | 834 | 1 | 18 | 0 | 1 |
| February | 249 | 0 | 9 | 0 | 2 |
| March | 210 | 81 | 9 | 1 | 0 |
| April | 3 | 509 | 12 | 18 | 2 |
| May | 16 | 18 | 118 | 26 | 31 |
| June | 37 | 3 | 100 | 26 | 70 |
| July | 1 | 4 | 35 | 4 | 9 |
| August | 2 | 0 | 7 | 2 | 2 |
| September | 1 | 1 | 4 | 1 | 1 |
| October | 2 | 1 | 3 | 1 | 0 |
| November | 2 | 1 | 1 | 0 | 0 |
| December | 16 | 0 | 0 | 0 | 0 |