| 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 | 99 | 1 | 6 | 0 | 0 | 0 | 0 | 23 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 135 | 0 | 5 | 3 | 0 | 1 | 1 | 1 | 0 | 12 | 1 | 4 |
| February | 489 | 0 | 15 | 0 | 0 | 0 | 0 | 11 | 9 | 0 | 0 | 0 | 2 | 1 | 0 | 66 | 0 | 48 | 1 | 24 | 0 | 1 | 0 | 8 | 48 | 8 | 4 |
| March | 39 | 6.375 | 9 | 5 | 22 | 0 | 1 | 1 | 36 | 0 | 0 | 0 | 0 | 1 | 0 | 8 | 39 | 4 | 60 | 54 | 1 | 54 | 3 | 4 | 45 | 5 | 9 |
| April | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| May | 12 | 6 | 72 | 32 | 747 | 0 | 1 | 0 | 6 | 1 | 3 | 4 | 0 | 2 | 1 | 0 | 1 | 0 | 172 | 0 | 9 | 76 | 9 | 2 | 14 | 32 | 10 |
| June | 3 | 16 | 119 | 30 | 56 | 1 | 9 | 0 | 1 | 1 | 29 | 30 | 0 | 2 | 11 | 0 | 1 | 0 | 31 | 0 | 7 | 24 | 11 | 1 | 9 | 21 | 7 |
| July | 6 | 14 | 45 | 7 | 9 | 1 | 9 | 0 | 0 | 1 | 20 | 11 | 2 | 1 | 8 | 0 | 0 | 0 | 5 | 0 | 15 | 6 | 2 | 0 | 10 | 22 | 6 |
| August | 10 | 9 | 5 | 3 | 3 | 0 | 4 | 0 | 0 | 2 | 1 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 10 | 4 | 1 | 0 | 3 | 21 | 3 |
| September | 9 | 9 | 6 | 2 | 2 | 0 | 3 | 0 | 0 | 2 | 1 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 35 | 2 | 1 | 0 | 6 | 1 | 2 |
| October | 10 | 72 | 2 | 1 | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 5 | 2 | 1 | 0 | 5 | 2 | 6 |
| November | 22 | 9 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 3 | 0 | 0 | 10 | 1 | 1 |
| December | 740 | 3 | 3 | 0 | 1 | 0 | 0 | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 23 | 1 | 3 |