| 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 | 1.625 | 0 | 4 | 1 | 1 | 0 | 0 | 18 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 26 | 0 | 1 | 3 | 1 | 0 | 2 | 0 | 0 | 4 | 0 | 2 |
| February | 2.279 | 0 | 17 | 0 | 0 | 0 | 0 | 15 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 105 | 0 | 574 | 2 | 104 | 0 | 2 | 0 | 0 | 8 | 1 | 13 |
| March | 1.689 | 9.511 | 35 | 6 | 0 | 3 | 0 | 2 | 224 | 0 | 0 | 1 | 2 | 2 | 0 | 15 | 167 | 398 | 410 | 759 | 0 | 209 | 9 | 18 | 32 | 22 | 12 |
| April | 55 | 3.887 | 36 | 32 | 75 | 37 | 1 | 0 | 33 | 0 | 0 | 2 | 0 | 5 | 0 | 1 | 186 | 2 | 201 | 34 | 1 | 1.830 | 7 | 18 | 26 | 16 | 12 |
| May | 22 | 6 | 126 | 45 | 501 | 1 | 11 | 0 | 2 | 0 | 1 | 4 | 0 | 9 | 1 | 0 | 8 | 1 | 679 | 0 | 10 | 552 | 9 | 2 | 20 | 34 | 7 |
| June | 15 | 5 | 37 | 5 | 56 | 0 | 13 | 0 | 0 | 0 | 8 | 6 | 0 | 1 | 2 | 0 | 0 | 1 | 62 | 0 | 7 | 47 | 3 | 0 | 7 | 8 | 4 |
| July | 4 | 1 | 4 | 4 | 2 | 0 | 3 | 0 | 0 | 1 | 4 | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 32 | 0 | 15 | 11 | 1 | 0 | 5 | 8 | 4 |
| August | 1 | 1 | 6 | 4 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 20 | 16 | 0 | 0 | 5 | 10 | 3 |
| September | 2 | 2 | 12 | 2 | 3 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 16 | 8 | 0 | 0 | 2 | 2 | 3 |
| October | 16 | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 6 | 4 | 0 | 0 | 2 | 1 | 2 |
| November | 4 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 4 | 4 | 0 | 0 | 2 | 1 | 2 |
| December | 59 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 3 | 0 | 1 |