| 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 | 148 | 0 | 8 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 34 | 0 | 217 | 1 | 0 | 1 | 5 | 1 | 0 | 13 | 2 | 6 |
| February | 576 | 0 | 19 | 0 | 0 | 0 | 0 | 9 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 210 | 1 | 202 | 0 | 4 | 1 | 1 | 51 | 0 | 11 |
| March | 81 | 175 | 6 | 0 | 0 | 0 | 0 | 1 | 10 | 0 | 0 | 0 | 0 | 3 | 0 | 6 | 36 | 39 | 4 | 40 | 0 | 11 | 1 | 4 | 18 | 2 | 11 |
| April | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| May | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| June | 2 | 2 | 123 | 4 | 24 | 0 | 1 | 0 | 1 | 0 | 12 | 14 | 0 | 0 | 1 | 0 | 2 | 0 | 25 | 0 | 7 | 12 | 7 | 0 | 2 | 12 | 9 |
| July | 6 | 0 | 40 | 3 | 15 | 0 | 2 | 0 | 1 | 1 | 5 | 5 | 0 | 0 | 2 | 0 | 2 | 0 | 7 | 0 | 17 | 11 | 2 | 0 | 4 | 17 | 7 |
| August | 2 | 0 | 11 | 2 | 1 | 0 | 0 | 0 | 0 | 3 | 3 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 27 | 8 | 2 | 0 | 4 | 2 | 8 |
| September | 2 | 0 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 9 | 3 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 23 | 5 | 1 | 0 | 3 | 2 | 3 |
| October | 5 | 0 | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 7 | 7 | 1 | 0 | 2 | 1 | 10 |
| November | 35 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 47 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 5 | 2 | 3 |
| December | 537 | 0 | 3 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 2 | 5 | 0 | 0 | 5 | 2 | 4 |