| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Mugwort | Chestnut | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Am | Oak | Sorrel | Willow | Nettle | Unidentified |
| January | 68 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 48 | 0 | 2 | 2 | 0 | 0 | 1 | 2 | 0 | 1 | 1 |
| February | 326 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | 12 | 1 | 0 | 0 | 0 | 3 | 2 | 1 | 3 |
| March | 139 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 37 | 2 | 60 | 0 | 4 | 4 | 1 | 1 | 5 |
| April | 29 | 12 | 13 | 2 | 2 | 1 | 0 | 1 | 0 | 2 | 2 | 1 | 0 | 0 | 1 | 11 | 13 | 33 | 1 | 0 | 137 | 7 | 1 | 0 | 3 |
| May | 4 | 8 | 41 | 32 | 31 | 2 | 11 | 1 | 0 | 11 | 2 | 0 | 7 | 0 | 0 | 24 | 0 | 100 | 0 | 3 | 807 | 153 | 1 | 14 | 8 |
| June | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| July | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| August | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| September | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| October | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| November | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| December | 133 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 2 |