| 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 | 1.225 | 1 | 3 | 0 | 0 | 3 | 0 | 7 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 9 | 0 | 53 | 5 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 2 |
| February | 1.557 | 0 | 16 | 0 | 0 | 4 | 0 | 30 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 56 | 0 | 336 | 1 | 66 | 0 | 1 | 0 | 3 | 7 | 1 | 1 |
| March | 239 | 1.483 | 9 | 4 | 0 | 4 | 0 | 4 | 31 | 1 | 0 | 0 | 1 | 1 | 0 | 15 | 12 | 24 | 3 | 136 | 1 | 8 | 2 | 6 | 14 | 5 | 2 |
| April | 10 | 2.706 | 12 | 10 | 7 | 13 | 0 | 0 | 318 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 130 | 2 | 26 | 13 | 3 | 351 | 8 | 9 | 8 | 18 | 3 |
| May | 12 | 7 | 90 | 31 | 267 | 0 | 0 | 0 | 2 | 1 | 0 | 27 | 0 | 5 | 0 | 0 | 5 | 0 | 23 | 0 | 6 | 895 | 16 | 7 | 9 | 6 | 4 |
| June | 6 | 5 | 187 | 35 | 19 | 0 | 4 | 0 | 5 | 0 | 30 | 10 | 0 | 4 | 14 | 0 | 0 | 0 | 26 | 0 | 11 | 29 | 38 | 1 | 15 | 23 | 3 |
| July | 7 | 8 | 97 | 11 | 6 | 0 | 5 | 0 | 0 | 1 | 19 | 8 | 0 | 1 | 19 | 0 | 0 | 0 | 8 | 0 | 10 | 15 | 4 | 0 | 5 | 76 | 3 |
| August | 3 | 3 | 13 | 2 | 4 | 0 | 1 | 0 | 0 | 3 | 2 | 6 | 0 | 0 | 3 | 0 | 0 | 0 | 5 | 0 | 10 | 8 | 1 | 0 | 6 | 29 | 1 |
| September | 3 | 5 | 5 | 1 | 1 | 0 | 1 | 0 | 0 | 8 | 0 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 32 | 6 | 1 | 0 | 1 | 2 | 2 |
| October | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 1 |
| November | 5 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 1 |
| December | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 |