| 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 | 23 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 1 |
| February | 457 | 0 | 7 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 17 | 0 | 66 | 3 | 5 | 0 | 1 | 0 | 0 | 2 | 3 |
| March | 86 | 1.294 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 3 | 13 | 9 | 25 | 86 | 1 | 17 | 3 | 0 | 15 | 31 |
| April | 11 | 480 | 26 | 21 | 10 | 2 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 1 | 39 | 1 | 22 | 7 | 3 | 666 | 20 | 1 | 27 | 27 |
| May | 13 | 4 | 181 | 41 | 57 | 2 | 1 | 1 | 0 | 0 | 3 | 0 | 4 | 0 | 0 | 8 | 0 | 36 | 0 | 4 | 386 | 48 | 1 | 12 | 30 |
| June | 2 | 3 | 24 | 4 | 55 | 0 | 3 | 1 | 0 | 4 | 2 | 0 | 0 | 3 | 0 | 0 | 0 | 4 | 1 | 2 | 8 | 2 | 0 | 3 | 13 |
| July | 2 | 1 | 4 | 2 | 1 | 0 | 2 | 0 | 1 | 15 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 2 | 3 | 2 | 0 | 2 | 7 |
| August | 1 | 0 | 3 | 1 | 2 | 0 | 1 | 0 | 2 | 6 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 3 | 3 | 0 | 0 | 2 | 7 |
| September | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 1 | 3 |
| October | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 3 | 1 |
| November | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| December | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |