| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Mugwort | Chestnut | Composites | Hazel | Heather | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Am | Oak | Sorrel | Willow | Nettle | Unidentified |
| January | 68 | 0 | 9 | 0 | 0 | 0 | 0 | 16 | 0 | 0 | 1 | 0 | 0 | 15 | 0 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 3 |
| February | 81 | 0 | 24 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 1 | 1 | 1 | 23 | 0 | 48 | 1 | 43 | 0 | 1 | 1 | 1 | 15 | 5 |
| March | 30 | 786 | 9 | 1 | 1 | 1 | 0 | 13 | 0 | 0 | 1 | 2 | 1 | 2 | 14 | 20 | 19 | 71 | 1 | 9 | 1 | 7 | 16 | 16 |
| April | 13 | 69 | 11 | 4 | 13 | 2 | 1 | 0 | 0 | 0 | 0 | 12 | 6 | 0 | 90 | 0 | 25 | 4 | 5 | 206 | 2 | 6 | 35 | 25 |
| May | 4 | 31 | 26 | 36 | 147 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 50 | 0 | 5 | 291 | 12 | 0 | 7 | 38 |
| June | 2 | 0 | 41 | 12 | 62 | 0 | 3 | 0 | 0 | 18 | 0 | 0 | 8 | 0 | 1 | 1 | 47 | 0 | 11 | 34 | 9 | 0 | 10 | 17 |
| July | 1 | 0 | 9 | 4 | 2 | 0 | 4 | 0 | 0 | 4 | 0 | 0 | 1 | 0 | 1 | 0 | 3 | 0 | 12 | 3 | 1 | 0 | 4 | 31 |
| August | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 8 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 31 | 2 | 0 | 0 | 3 | 19 |
| September | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 6 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 11 | 3 | 0 | 0 | 2 | 10 |
| October | 9 | 0 | 4 | 1 | 1 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 8 | 1 | 0 | 0 | 2 | 5 |
| November | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 21 | 0 | 0 | 0 | 3 | 2 |
| December | 6 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |