| 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 | 1.228 | 0 | 7 | 0 | 0 | 0 | 0 | 15 | — | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 1 | 18 | 0 | 0 | 0 | 0 | 3 | 2 | 1 | — | 3 |
| February | 142 | 0 | 4 | 0 | 0 | 0 | 0 | 3 | — | 0 | 0 | 0 | 1 | 0 | 0 | 11 | 0 | 164 | 1 | 8 | 0 | 0 | 0 | 2 | 3 | — | 7 |
| March | 238 | 3 | 3 | 0 | 0 | 0 | 0 | 1 | — | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 2 | 5 | 3 | 33 | 1 | 0 | 5 | 9 | 8 | — | 21 |
| April | 3 | 28 | 9 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 365 | 1 | 5 | 9 | 1 | 61 | 7 | 6 | 7 | 0 | 21 |
| May | 7 | 5 | 79 | 36 | 11 | 0 | 0 | 1 | — | 0 | 0 | 1 | 1 | 3 | 0 | 0 | 7 | 1 | 5 | 1 | 1 | 108 | 11 | 0 | 2 | — | 29 |
| June | 9 | 0 | 88 | 23 | 64 | 0 | 0 | 0 | — | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 36 | 0 | 4 | 63 | 3 | 0 | 10 | — | 23 |
| July | 1 | 3 | 7 | 2 | 2 | 0 | 1 | 0 | — | 0 | 15 | 2 | 0 | 1 | 3 | 0 | 0 | 0 | 2 | 0 | 5 | 3 | 1 | 0 | 4 | — | 10 |
| August | 1 | 0 | 3 | 1 | 0 | 0 | 1 | 0 | — | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 1 | — | 8 |
| September | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | — | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 8 | 1 | 0 | 0 | 0 | — | 5 |
| October | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | — | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | — | 7 |
| November | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | — | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | — | 1 |
| December | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | 1 |