| 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 | 28 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| February | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| March | 19 | 103 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 2 | 12 | 1 | 1 | 1 | 1 | 2 | 2 |
| April | 1 | 31 | 6 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 11 | 1 | 9 | 0 | 2 | 19 | 17 | 1 | 21 | 8 |
| May | 21 | 3 | 363 | 73 | 372 | 1 | 27 | 0 | 0 | 0 | 12 | 1 | 6 | 0 | 0 | 2 | 0 | 170 | 0 | 9 | 254 | 65 | 1 | 12 | 68 |
| June | 2 | 11 | 100 | 14 | 216 | 1 | 22 | 0 | 0 | 31 | 12 | 0 | 3 | 30 | 0 | 5 | 0 | 12 | 6 | 9 | 27 | 6 | 0 | 8 | 39 |
| July | 5 | 0 | 18 | 3 | 4 | 0 | 2 | 0 | 1 | 4 | 6 | 0 | 1 | 6 | 0 | 0 | 0 | 2 | 0 | 7 | 10 | 2 | 0 | 3 | 64 |
| August | 3 | 1 | 2 | 2 | 2 | 0 | 0 | 0 | 1 | 1 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 8 | 2 | 1 | 0 | 4 | 5 |
| September | 1 | 1 | 4 | 6 | 1 | 0 | 1 | 0 | 4 | 1 | 1 | 0 | 3 | 1 | 0 | 0 | 0 | 2 | 0 | 8 | 1 | 1 | 0 | 1 | 2 |
| October | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 0 | 1 | 0 |
| November | 17 | 7 | 4 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 1 | 0 | 3 | 2 |
| December | 26 | 0 | 4 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 0 | 0 | 3 | 1 |