| 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 | 134 | 0 | 7 | 0 | 0 | 0 | 0 | 22 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 6 | 0 | 47 | 1 | 0 | 1 | 1 | 1 | 0 | 2 | — | 1 |
| February | 994 | 0 | 22 | 0 | 1 | 0 | 0 | 16 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 55 | 0 | 290 | 2 | 295 | 2 | 2 | 1 | 0 | 10 | 0 | 4 |
| March | 1.409 | 1.876 | 13 | 4 | 1 | 18 | 0 | 3 | 329 | 1 | 0 | 0 | 2 | 4 | 0 | 20 | 149 | 16 | 135 | 134 | 1 | 123 | 6 | 2 | 30 | 6 | 12 |
| April | 8 | 208 | 26 | 22 | 3 | 4 | 0 | 0 | 1.194 | 0 | 1 | 3 | 0 | 9 | 2 | 2 | 231 | 6 | 48 | 0 | 1 | 758 | 12 | 6 | 14 | 7 | 13 |
| May | 14 | 25 | 156 | 42 | 739 | 3 | 1 | 1 | 21 | 2 | 0 | 19 | 0 | 5 | 0 | 1 | 9 | 0 | 139 | 0 | 17 | 393 | 40 | 1 | 9 | 18 | 14 |
| June | 15 | 2 | 54 | 16 | 188 | 1 | 1 | 0 | 1 | 0 | 5 | 6 | 0 | 7 | 2 | 0 | 0 | 0 | 182 | 0 | 21 | 103 | 5 | 0 | 12 | 6 | 3 |
| July | 1 | 1 | 20 | 3 | 7 | 0 | 1 | 0 | 0 | 0 | 6 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 5 | 0 | 15 | 11 | 1 | 0 | 2 | 6 | 3 |
| August | 13 | 1 | 9 | 2 | 4 | 0 | 0 | 0 | 0 | 3 | 3 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 45 | 6 | 1 | 0 | 4 | 2 | 2 |
| September | 0 | 0 | 7 | 1 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 30 | 2 | 0 | 0 | 3 | 2 | 1 |
| October | 59 | 2 | 7 | 0 | 4 | 1 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 4 | 0 | 0 | 0 | 5 | 2 |
| November | 6 | 0 | 6 | 1 | 2 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 2 | 6 | 0 | 0 | 2 | 3 | 2 |
| December | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 1 |