| 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 | 38 | 0 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 30 | 0 | 3 | 1 | 4 | 0 | 0 | 0 | 0 | 1 | 0 |
| February | 105 | 0 | 5 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 0 | 19 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 |
| March | 46 | 39 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 1 | 5 | 1 | 15 | 0 | 0 | 1 | 0 | 2 | 2 |
| April | 2 | 719 | 5 | 3 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 12 | 1 | 2 | 1 | 1 | 64 | 2 | 1 | 6 | 4 |
| May | 2 | 5 | 15 | 6 | 64 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 1 | 143 | 2 | 1 | 3 | 6 |
| June | 1 | 0 | 2 | 2 | 8 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | 3 | 0 | 1 | 5 | 1 | 0 | 1 | 4 |
| July | 2 | 2 | 16 | 4 | 5 | 0 | 4 | 0 | 0 | 10 | 3 | 0 | 0 | 8 | 0 | 1 | 1 | 5 | 6 | 14 | 15 | 1 | 0 | 5 | 175 |
| August | 0 | 0 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 4 | 4 | 0 | 0 | 2 | 40 |
| September | 1 | 0 | 3 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 6 | 3 | 0 | 1 | 3 | 2 |
| October | 11 | 0 | 5 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 6 | 1 | 0 | 0 | 1 | 4 |
| November | 4 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 1 | 0 | 0 | 1 | 0 |
| December | 10 | 1 | 5 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 |