| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Maple | Mugwort | Chestnut | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Am | Oak | Sorrel | Willow | Nettle | Other | Unidentified |
| January | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| February | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| March | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| April | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| May | 150 | 14 | 634 | 169 | 352 | 4 | 0 | 0 | 68 | 1 | 1 | 16 | 0 | 8 | 1 | 0 | 3 | 4 | 741 | 1 | 8 | 1.152 | 70 | 2 | 17 | 71 | 38 |
| June | 16 | 7 | 443 | 54 | 562 | 1 | 1 | 0 | 6 | 3 | 21 | 24 | 0 | 3 | 2 | 0 | 0 | 1 | 249 | 0 | 8 | 237 | 18 | 3 | 12 | 31 | 39 |
| July | 2 | 4 | 17 | 5 | 3 | 1 | 3 | 0 | 0 | 0 | 6 | 5 | 1 | 1 | 2 | 0 | 1 | 0 | 15 | 0 | 10 | 23 | 1 | 0 | 5 | 8 | 9 |
| August | 1 | 1 | 6 | 3 | 4 | 0 | 2 | 0 | 0 | 2 | 1 | 5 | 0 | 1 | 1 | 1 | 1 | 0 | 8 | 0 | 10 | 11 | 1 | 0 | 4 | 5 | 12 |
| September | 1 | 4 | 9 | 2 | 3 | 0 | 1 | 0 | 0 | 5 | 1 | 8 | 0 | 1 | 1 | 0 | 0 | 0 | 4 | 0 | 29 | 6 | 2 | 0 | 1 | 4 | 8 |
| October | 5 | 2 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 8 | 0 | 9 | 7 | 1 | 0 | 2 | 1 | 5 |
| November | 16 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 6 | 0 | 1 | 4 | 0 | 0 | 2 | 0 | 4 |
| December | 30 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 2 | 1 | 3 |