| 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 | 48 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| February | 105 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 7 | 0 | 84 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 3 |
| March | 589 | 17 | 15 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 7 | 1 | 40 | 9 | 213 | 1 | 3 | 8 | 3 | 8 | 75 |
| April | 11 | 39 | 5 | 2 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 443 | 1 | 3 | 10 | 1 | 101 | 1 | 0 | 1 | 17 |
| May | 4 | 15 | 19 | 5 | 84 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 90 | 1 | 5 | 168 | 1 | 198 | 2 | 0 | 2 | 16 |
| June | 2 | 0 | 3 | 2 | 11 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 9 | 1 | 2 | 3 | 16 |
| July | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 5 |
| August | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 1 | 1 | 0 | 1 | 4 |
| September | 3 | 0 | 3 | 1 | 1 | 0 | 0 | 0 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 9 | 1 | 0 | 0 | 1 | 8 |
| October | 24 | 0 | 3 | 1 | 1 | 0 | 0 | 0 | 7 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 4 | 1 | 1 | 0 | 1 | 12 |
| November | 17 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 3 | 5 |
| December | 42 | 0 | 4 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 2 | 3 |