| 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 | 229 | 0 | 8 | 0 | 0 | 0 | 0 | 34 | 0 | 1 | 0 | 1 | 4 | 0 | 0 | 369 | 0 | 16 | 4 | 0 | 1 | 1 | 0 | 0 | 12 | 1 | 5 |
| February | 627 | 1 | 35 | 0 | 1 | 0 | 0 | 19 | 11 | 1 | 0 | 1 | 3 | 1 | 0 | 254 | 3 | 40 | 9 | 43 | 1 | 2 | 2 | 9 | 50 | 7 | 4 |
| March | 19 | 3.114 | 10 | 7 | 0 | 5 | 0 | 1 | 57 | 0 | 0 | 1 | 4 | 2 | 1 | 3 | 45 | 2 | 32 | 169 | 1 | 49 | 2 | 10 | 72 | 21 | 17 |
| April | 16 | 173 | 23 | 83 | 31 | 2 | 0 | 1 | 3 | 0 | 1 | 5 | 0 | 1 | 1 | 1 | 32 | 1 | 30 | 12 | 7 | 726 | 23 | 4 | 43 | 30 | 7 |
| May | 64 | 11 | 525 | 287 | 599 | 3 | 0 | 1 | 1 | 0 | 1 | 15 | 0 | 11 | 1 | 0 | 8 | 0 | 927 | 0 | 11 | 1.123 | 140 | 2 | 31 | 66 | 10 |
| June | 9 | 6 | 205 | 29 | 88 | 0 | 6 | 0 | 0 | 0 | 33 | 24 | 0 | 1 | 1 | 0 | 1 | 0 | 75 | 0 | 6 | 22 | 30 | 1 | 21 | 38 | 7 |
| July | 3 | 1 | 98 | 10 | 6 | 0 | 9 | 0 | 0 | 0 | 22 | 11 | 0 | 1 | 1 | 0 | 0 | 0 | 9 | 0 | 8 | 6 | 7 | 0 | 14 | 17 | 6 |
| August | 2 | 1 | 6 | 4 | 1 | 0 | 1 | 0 | 0 | 2 | 2 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 5 | 0 | 9 | 2 | 1 | 0 | 5 | 14 | 7 |
| September | 50 | 0 | 7 | 3 | 0 | 0 | 0 | 0 | 0 | 10 | 1 | 5 | 0 | 1 | 1 | 0 | 0 | 3 | 5 | 0 | 19 | 1 | 1 | 0 | 3 | 3 | 4 |
| October | 65 | 2 | 4 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 14 | 0 | 2 | 1 | 0 | 0 | 4 | 2 | 5 |
| November | 389 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 5 | 0 | 1 | 7 | 0 | 0 | 11 | 1 | 6 |
| December | 1.655 | 1 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 3 | 0 | 0 | 3 | 0 | 0 | 3 | 1 | 4 |