| 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 | Unidentified |
| January | 407 | 0 | 5 | 1 | 0 | 0 | 0 | 1 | — | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
| February | 1.294 | 0 | 3 | 0 | 0 | 0 | 0 | 9 | — | 0 | 0 | 1 | 0 | 0 | 0 | 36 | 0 | 12 | 0 | 3 | 0 | 0 | 0 | 0 | 4 | 4 |
| March | 49 | 23 | 8 | 0 | 0 | 0 | 0 | 1 | — | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 6 | 131 | 0 | 0 | 2 | 2 | 6 | 6 |
| April | 2 | 22 | 3 | 2 | 0 | 3 | 0 | 0 | — | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 5 | 0 | 6 | 0 | 2 | 2 | 2 |
| May | 2 | 3 | 64 | 16 | 13 | 1 | 1 | 0 | — | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 3 | 0 | 12 | 1 | 2 | 90 | 4 | 1 | 3 | 7 |
| June | 3 | 0 | 12 | 4 | 10 | 0 | 4 | 0 | — | 0 | 1 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 5 | 0 | 1 | 13 | 6 | 1 | 3 | 5 |
| July | 3 | 0 | 12 | 3 | 3 | 0 | 1 | 0 | — | 1 | 5 | 2 | 1 | 2 | 10 | 0 | 0 | 0 | 2 | 0 | 2 | 3 | 2 | 0 | 3 | 9 |
| August | 1 | 0 | 5 | 1 | 1 | 0 | 0 | 0 | — | 1 | 1 | 1 | 0 | 2 | 2 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 1 | 2 |
| September | 1 | 0 | 3 | 1 | 0 | 0 | 3 | 0 | — | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 1 | 3 |
| October | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | — | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 2 |
| November | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | — | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 5 |
| December | 369 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 24 |