| 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 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| February | 12 | 0 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
| March | 53 | 6 | 6 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 0 | 5 | 1 | 10 | 0 | 3 | 0 | 4 | 5 | 3 |
| April | 4 | 142 | 24 | 26 | 3 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 193 | 0 | 8 | 4 | 1 | 68 | 8 | 10 | 3 | 17 |
| May | 2 | 16 | 57 | 36 | 16 | 1 | 1 | 0 | 0 | 0 | 5 | 0 | 2 | 0 | 0 | 2 | 0 | 10 | 0 | 2 | 50 | 13 | 13 | 6 | 12 |
| June | 2 | 0 | 63 | 13 | 39 | 0 | 9 | 0 | 0 | 6 | 11 | 0 | 2 | 1 | 0 | 0 | 2 | 14 | 0 | 12 | 10 | 6 | 0 | 7 | 42 |
| July | 0 | 0 | 16 | 1 | 1 | 0 | 38 | 0 | 0 | 6 | 3 | 0 | 1 | 5 | 0 | 0 | 0 | 3 | 0 | 8 | 30 | 2 | 0 | 4 | 7 |
| August | 0 | 0 | 3 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 5 | 2 | 1 | 0 | 1 | 2 |
| September | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 2 | 2 |
| October | 8 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 |
| November | 231 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |
| December | 55 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 1 |