| 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 | 73 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| February | 86 | 0 | 48 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 1 | 2 | 1 | 0 | 14 | 0 | 9 | 2 | 56 | 0 | 0 | 4 | 8 | 7 | 9 |
| March | 22 | 666 | 9 | 5 | 4 | 2 | 0 | 2 | 0 | 0 | 6 | 0 | 1 | 0 | 0 | 64 | 4 | 24 | 35 | 1 | 64 | 4 | 1 | 2 | 9 |
| April | 49 | 24 | 20 | 69 | 305 | 4 | 0 | 1 | 0 | 0 | 5 | 0 | 18 | 0 | 5 | 22 | 0 | 67 | 1 | 3 | 442 | 9 | 1 | 4 | 71 |
| May | 9 | 0 | 59 | 64 | 277 | 0 | 12 | 0 | 0 | 0 | 6 | 0 | 4 | 2 | 0 | 0 | 0 | 16 | 0 | 5 | 164 | 15 | 0 | 9 | 66 |
| June | 2 | 0 | 58 | 55 | 3 | 0 | 3 | 0 | 0 | 11 | 12 | 0 | 1 | 4 | 0 | 0 | 0 | 2 | 0 | 5 | 9 | 14 | 0 | 11 | 13 |
| July | 1 | 0 | 12 | 6 | 0 | 0 | 2 | 0 | 0 | 3 | 2 | 0 | 0 | 8 | 0 | 0 | 0 | 2 | 0 | 20 | 4 | 1 | 0 | 4 | 12 |
| August | 2 | 0 | 6 | 5 | 1 | 0 | 0 | 0 | 4 | 0 | 3 | 0 | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 35 | 3 | 0 | 0 | 2 | 4 |
| September | 3 | 0 | 3 | 2 | 0 | 0 | 0 | 0 | 9 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 9 | 0 | 21 | 2 | 1 | 0 | 2 | 2 |
| October | 8 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 9 | 1 | 0 | 0 | 2 | 10 |
| November | 14 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 |
| December | 8 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 1 |