| 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 | 739 | 0 | 4 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 11 | 0 | 16 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 2 |
| February | 3.161 | 0 | 11 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 30 | 0 | 52 | 1 | 8 | 0 | 0 | 1 | 0 | 6 | 1 | 4 |
| March | 983 | 790 | 8 | 1 | 0 | 1 | 0 | 1 | 41 | 1 | 0 | 1 | 1 | 1 | 0 | 4 | 2 | 3 | 2 | 69 | 1 | 11 | 6 | 4 | 23 | 13 | 6 |
| April | 19 | 909 | 22 | 10 | 2 | 12 | 0 | 0 | 181 | 0 | 1 | 2 | 0 | 1 | 0 | 15 | 105 | 2 | 76 | 10 | 3 | 338 | 21 | 8 | 54 | 6 | 13 |
| May | 9 | 17 | 138 | 15 | 278 | 1 | 6 | 0 | 6 | 0 | 1 | 7 | 0 | 5 | 1 | 0 | 1 | 0 | 180 | 0 | 6 | 372 | 24 | 1 | 4 | 12 | 3 |
| June | 4 | 4 | 79 | 19 | 10 | 1 | 2 | 0 | 1 | 0 | 18 | 4 | 0 | 3 | 12 | 0 | 0 | 0 | 42 | 0 | 5 | 12 | 14 | 0 | 5 | 14 | 2 |
| July | 1 | 5 | 21 | 4 | 1 | 0 | 1 | 0 | 0 | 1 | 7 | 4 | 0 | 1 | 3 | 0 | 0 | 0 | 2 | 0 | 5 | 4 | 2 | 0 | 2 | 5 | 4 |
| August | 1 | 1 | 4 | 3 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 11 | 4 | 1 | 0 | 2 | 13 | 2 |
| September | 1 | 4 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 13 | 2 | 1 | 0 | 2 | 1 | 2 |
| October | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 1 | 0 | 0 | 1 | 1 | 0 |
| November | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 4 | 0 | 0 | 1 | 1 | 1 |
| December | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 |