| 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 | 14 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | — | 1 |
| February | 158 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 5 | 0 | 5 | 1 | 574 | 0 | 0 | 0 | 1 | 4 | — | 0 |
| March | 722 | 3.720 | 10 | 9 | 6 | 86 | 6 | 2 | 68 | 0 | 0 | 1 | 16 | 1 | 0 | 13 | 27 | 9 | 21 | 518 | 1 | 12 | 1 | 19 | 14 | 5 | 3 |
| April | 18 | 892 | 13 | 19 | 2 | 4 | 3 | 1 | 264 | 0 | 1 | 1 | 1 | 4 | 1 | 0 | 49 | 4 | 53 | 26 | 2 | 628 | 7 | 17 | 4 | 16 | 4 |
| May | 12 | 11 | 69 | 20 | 150 | 2 | 1 | 0 | 103 | 0 | 1 | 4 | 1 | 2 | 1 | 0 | 5 | 1 | 24 | 0 | 8 | 144 | 14 | 3 | 4 | 7 | 3 |
| June | 4 | 3 | 46 | 8 | 56 | 1 | 3 | 1 | 0 | 0 | 10 | 5 | 0 | 3 | 3 | 0 | 1 | 0 | 34 | 0 | 2 | 77 | 10 | 0 | 7 | 10 | 1 |
| July | 2 | 14 | 35 | 5 | 7 | 0 | 2 | 0 | 0 | 1 | 18 | 3 | 0 | 1 | 6 | 0 | 1 | 0 | 9 | 0 | 6 | 24 | 2 | 0 | 6 | 14 | 2 |
| August | 3 | 2 | 6 | 2 | 3 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 4 | 10 | 2 | 0 | 7 | 10 | 2 |
| September | 2 | 2 | 8 | 2 | 3 | 0 | 1 | 1 | 1 | 8 | 4 | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 3 | 0 | 22 | 11 | 1 | 0 | 4 | 1 | 3 |
| October | 12 | 3 | 4 | 2 | 1 | 1 | 1 | 1 | 0 | 4 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 5 | 0 | 1 | 4 | 0 | 0 | 2 | 1 | 1 |
| November | 7 | 1 | 2 | 1 | 1 | 1 | 0 | 2 | 0 | 3 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 20 | 0 | 2 | 8 | 1 | 0 | 3 | 0 | 1 |
| December | 7 | 1 | 2 | 0 | 1 | 2 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 2 | 1 | 0 | 1 | 1 | 1 |