| 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 | 906 | 1 | 5 | 0 | 0 | 0 | 0 | 9 | 3 | 2 | 0 | 1 | 3 | 1 | 0 | 37 | 0 | 2 | 1 | 0 | 1 | 4 | 0 | 0 | 9 | 1 | 2 |
| February | 431 | 1 | 6 | 0 | 1 | 0 | 0 | 29 | 0 | 1 | 0 | 1 | 4 | 1 | 1 | 31 | 0 | 958 | 1 | 51 | 1 | 1 | 2 | 3 | 43 | 4 | 2 |
| March | 212 | 2.861 | 8 | 0 | 0 | 1 | 0 | 1 | 5 | 0 | 0 | 1 | 1 | 1 | 0 | 3 | 20 | 13 | 61 | 199 | 1 | 2 | 2 | 9 | 91 | 19 | 4 |
| April | 21 | 4.165 | 19 | 29 | 17 | 11 | 0 | 0 | 57 | 0 | 1 | 3 | 1 | 13 | 0 | 4 | 76 | 2 | 137 | 82 | 4 | 500 | 12 | 17 | 74 | 24 | 4 |
| May | 104 | 10 | 339 | 84 | 374 | 3 | 2 | 0 | 13 | 0 | 1 | 15 | 0 | 16 | 2 | 0 | 5 | 1 | 200 | 0 | 9 | 707 | 43 | 2 | 15 | 27 | 11 |
| June | 19 | 3 | 347 | 52 | 550 | 1 | 1 | 1 | 3 | 0 | 8 | 32 | 6 | 9 | 7 | 0 | 0 | 0 | 399 | 0 | 7 | 509 | 22 | 0 | 14 | 11 | 3 |
| July | 2 | 0 | 11 | 4 | 8 | 0 | 6 | 0 | 0 | 1 | 5 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 8 | 0 | 4 | 10 | 2 | 0 | 7 | 12 | 1 |
| August | 1 | 0 | 3 | 2 | 1 | 0 | 2 | 0 | 0 | 2 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 7 | 6 | 1 | 0 | 2 | 19 | 1 |
| September | 1 | 3 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 4 | 0 | 7 | 2 | 1 | 0 | 2 | 2 | 1 |
| October | 3 | 3 | 3 | 1 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 7 | 0 | 2 | 3 | 0 | 0 | 2 | 0 | 1 |
| November | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 12 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| December | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |