| 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 | 177 | 0 | 3 | 1 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 163 | 0 | 60 | 3 | 0 | 1 | 6 | 1 | 0 | 11 | 0 | 5 |
| February | 644 | 0 | 18 | 1 | 3 | 1 | 0 | 12 | 3 | 0 | 0 | 1 | 2 | 0 | 0 | 158 | 0 | 109 | 4 | 62 | 0 | 2 | 1 | 4 | 23 | 3 | 10 |
| March | 60 | 132 | 8 | 1 | 0 | 0 | 0 | 2 | 23 | 0 | 0 | 1 | 1 | 1 | 0 | 14 | 11 | 6 | 4 | 135 | 0 | 17 | 1 | 8 | 27 | 5 | 18 |
| April | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| May | 45 | 7 | 229 | 219 | 836 | 3 | 1 | 0 | 2 | 0 | 1 | 16 | 0 | 11 | 1 | 0 | 32 | 0 | 855 | 0 | 12 | 756 | 55 | 0 | 21 | 35 | 64 |
| June | 8 | 3 | 135 | 33 | 79 | 0 | 2 | 0 | 0 | 0 | 14 | 20 | 0 | 1 | 3 | 0 | 0 | 0 | 48 | 0 | 5 | 21 | 16 | 0 | 9 | 19 | 23 |
| July | 8 | 2 | 64 | 14 | 7 | 0 | 5 | 0 | 0 | 1 | 7 | 5 | 1 | 1 | 3 | 0 | 1 | 0 | 7 | 2 | 12 | 12 | 3 | 0 | 4 | 12 | 21 |
| August | 2 | 0 | 8 | 6 | 3 | 1 | 0 | 0 | 0 | 3 | 3 | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 6 | 0 | 11 | 7 | 0 | 0 | 1 | 8 | 11 |
| September | 21 | 0 | 8 | 4 | 1 | 0 | 1 | 0 | 0 | 4 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 7 | 0 | 26 | 7 | 1 | 0 | 3 | 4 | 8 |
| October | 11 | 0 | 5 | 2 | 1 | 0 | 0 | 1 | 0 | 2 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 1 | 2 | 5 | 1 | 0 | 2 | 5 | 10 |
| November | 47 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 0 | 1 | 4 | 0 | 0 | 6 | 0 | 4 |
| December | 720 | 0 | 2 | 0 | 1 | 0 | 0 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 6 | 0 | 0 | 2 | 0 | 0 | 3 | 0 | 0 | 4 | 1 | 4 |