| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Mugwort | Chestnut | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Am | Oak | Sorrel | Willow | Nettle | Unidentified |
| January | 3.252 | 0 | 6 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 141 | 0 | 5 | 0 | 0 | 0 | 0 | 1 | 6 |
| February | 2.078 | 0 | 15 | 1 | 0 | 0 | 0 | 30 | 0 | 0 | 0 | 1 | 0 | 0 | 193 | 1 | 593 | 1 | 81 | 1 | 0 | 0 | 5 | 11 | 11 |
| March | 1.999 | 323 | 7 | 0 | 0 | 1 | 1 | 3 | 0 | 0 | 1 | 0 | 1 | 0 | 6 | 1.396 | 16 | 26 | 460 | 1 | 34 | 3 | 12 | 18 | 43 |
| April | 9 | 122 | 9 | 13 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 565 | 1 | 46 | 5 | 1 | 228 | 5 | 7 | 11 | 21 |
| May | 2 | 1 | 105 | 9 | 30 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 0 | 13 | 0 | 8 | 0 | 1 | 397 | 7 | 0 | 3 | 30 |
| June | 1 | 0 | 70 | 6 | 55 | 0 | 1 | 0 | 0 | 3 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 13 | 1 | 2 | 16 | 5 | 0 | 3 | 30 |
| July | 1 | 0 | 8 | 1 | 1 | 0 | 1 | 0 | 0 | 5 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 3 | 10 |
| August | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 1 | 2 |
| September | 0 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 11 |
| October | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 6 |
| November | 33 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 2 |
| December | 27 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 1 |