| 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 | 527 | 0 | 4 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 6 | 0 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| February | 1.467 | 0 | 17 | 0 | 0 | 0 | 0 | 4 | 6 | 0 | 0 | 0 | 1 | 0 | 0 | 18 | 0 | 43 | 2 | 12 | 0 | 0 | 1 | 0 | 3 | 2 | 2 |
| March | 356 | 550 | 13 | 2 | 0 | 1 | 0 | 1 | 11 | 0 | 0 | 2 | 1 | 0 | 0 | 5 | 1 | 4 | 2 | 24 | 0 | 8 | 3 | 3 | 3 | 3 | 2 |
| April | 9 | 603 | 31 | 9 | 1 | 6 | 0 | 0 | 74 | 0 | 0 | 3 | 0 | 2 | 0 | 10 | 111 | 0 | 14 | 6 | 2 | 198 | 17 | 3 | 26 | 7 | 4 |
| May | 5 | 3 | 103 | 13 | 212 | 1 | 4 | 0 | 7 | 0 | 0 | 7 | 0 | 2 | 0 | 0 | 1 | 0 | 88 | 0 | 4 | 332 | 10 | 1 | 4 | 17 | 2 |
| June | 2 | 2 | 97 | 12 | 12 | 1 | 2 | 0 | 0 | 0 | 14 | 6 | 0 | 1 | 20 | 0 | 0 | 0 | 32 | 0 | 3 | 8 | 11 | 0 | 2 | 7 | 2 |
| July | 1 | 0 | 28 | 3 | 1 | 0 | 2 | 0 | 0 | 1 | 6 | 4 | 0 | 0 | 4 | 0 | 0 | 0 | 2 | 0 | 3 | 3 | 3 | 0 | 1 | 7 | 1 |
| August | 0 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 6 | 2 | 0 | 0 | 1 | 2 | 1 |
| September | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 2 | 0 | 0 | 1 | 2 | 1 |
| October | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 |
| November | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
| December | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |