| 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 | 2 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | 0 | 3 | 0 | 0 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| February | 56 | 0 | 4 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 2 | 0 | 0 | 6 | 0 | 8 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 2 |
| March | 28 | 7 | 4 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 13 | 1 | 40 | 0 | 1 | 2 | 2 | 3 | 5 |
| April | 8 | 156 | 10 | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 4 | 11 | 2 | 25 | 1 | 9 | 6 | 7 |
| May | 11 | 31 | 22 | 5 | 480 | 0 | 0 | 0 | 3 | 99 | 2 | 0 | 4 | 0 | 0 | 6 | 0 | 174 | 0 | 7 | 355 | 23 | 3 | 5 | 24 |
| June | 6 | 12 | 19 | 3 | 63 | 3 | 1 | 0 | 1 | 18 | 3 | 0 | 3 | 0 | 0 | 3 | 0 | 61 | 0 | 8 | 75 | 6 | 0 | 8 | 9 |
| July | 3 | 0 | 9 | 2 | 6 | 0 | 2 | 1 | 0 | 12 | 4 | 0 | 2 | 3 | 0 | 1 | 0 | 4 | 0 | 4 | 14 | 2 | 1 | 7 | 42 |
| August | 1 | 1 | 3 | 1 | 3 | 0 | 1 | 0 | 1 | 11 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 2 | 2 | 3 | 5 | 2 | 0 | 3 | 8 |
| September | 2 | 0 | 1 | 5 | 2 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 3 | 3 | 3 | 0 | 1 | 5 |
| October | 3 | 0 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 1 | 2 |
| November | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 1 | 3 |
| December | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 3 |