| 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 | 883 | 0 | 2 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 58 | 0 | 16 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | — | 1 |
| February | 63 | 1 | 2 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 25 | 0 | 61 | 1 | 5 | 1 | 0 | 0 | 0 | 2 | — | 1 |
| March | 85 | 292 | 10 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 40 | 6 | 2 | 38 | 0 | 13 | 1 | 2 | 4 | — | 12 |
| April | 1 | 114 | 5 | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 9 | 0 | 5 | 5 | 0 | 32 | 1 | 0 | 2 | — | 36 |
| May | 1 | 0 | 32 | 10 | 13 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 26 | 3 | 0 | 4 | — | 28 |
| June | 5 | 0 | 39 | 23 | 15 | 1 | 0 | 0 | 0 | 0 | 4 | 3 | 1 | 3 | 0 | 0 | 0 | 0 | 5 | 0 | 2 | 39 | 10 | 0 | 6 | — | 7 |
| July | 1 | 0 | 25 | 8 | 1 | 0 | 3 | 0 | 0 | 0 | 16 | 3 | 0 | 1 | 10 | 0 | 0 | 0 | 3 | 0 | 3 | 5 | 3 | 0 | 3 | — | 5 |
| August | 14 | 0 | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 1 | 1 | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 3 | 0 | 18 | 2 | 1 | 0 | 2 | — | 5 |
| September | 1 | 0 | 3 | 1 | 1 | 2 | 0 | 0 | 2 | 2 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 16 | 1 | 1 | 0 | 0 | — | 1 |
| October | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 4 | 1 | 0 | 0 | 1 | — | 1 |
| November | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | — | 1 |
| December | 40 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |