| 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 | 173 | 0 | 3 | 0 | 0 | 0 | 35 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 | 0 | 22 | 1 | 0 | 0 | 3 | 2 | 0 | 5 | 0 | 5 |
| February | 303 | 0 | 10 | 0 | 1 | 2 | 0 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 46 | 2 | 74 | 1 | 30 | 0 | 6 | 10 | 0 | 23 | 2 | 6 |
| March | 374 | 0 | 5 | 2 | 1 | 0 | 0 | 8 | 15 | 0 | 0 | 0 | 4 | 1 | 0 | 2 | 14 | 9 | 4 | 25 | 1 | 5 | 6 | 0 | 11 | 1 | 5 |
| April | 12 | 2.162 | 39 | 21 | 14 | 2 | 0 | 0 | 367 | 0 | 3 | 1 | 0 | 4 | 0 | 7 | 291 | 2 | 82 | 12 | 2 | 121 | 33 | 0 | 25 | 13 | 21 |
| May | 9 | 37 | 436 | 34 | 218 | 0 | 0 | 0 | 248 | 0 | 0 | 16 | 0 | 14 | 6 | 0 | 129 | 0 | 38 | 0 | 6 | 97 | 27 | 24 | 8 | 55 | 27 |
| June | 24 | 2 | 97 | 23 | 1.519 | 0 | 1 | 1 | 25 | 0 | 2 | 10 | 0 | 2 | 0 | 0 | 3 | 0 | 68 | 0 | 8 | 40 | 8 | 7 | 8 | 35 | 20 |
| July | 6 | 6 | 124 | 4 | 66 | 0 | 1 | 0 | 3 | 0 | 1 | 4 | 0 | 1 | 10 | 0 | 0 | 0 | 29 | 0 | 6 | 29 | 4 | 0 | 10 | 10 | 17 |
| August | 1 | 0 | 3 | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 48 | 26 | 1 | 0 | 4 | 2 | 5 |
| September | 6 | 0 | 7 | 0 | 7 | 0 | 0 | 0 | 0 | 25 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 32 | 3 | 0 | 1 | 1 | 1 | 8 |
| October | 43 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 17 | 4 | 0 | 0 | 1 | 1 | 3 |
| November | 10 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 3 | 0 | 0 | 4 | 0 | 0 | 4 | 1 | 5 |
| December | 16 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 1 | 2 | 7 |