| 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 | 24 | 0 | 3 | 0 | 0 | 0 | 0 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 18 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 2 |
| February | 94 | 0 | 6 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 1 | 0 | 0 | 3 | 0 | 32 | 1 | 1 | 0 | 1 | 1 | 1 | 1 | 3 |
| March | 54 | 1 | 2 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 2 | 2 | 10 | 2 | 50 | 0 | 11 | 2 | 1 | 4 | 9 |
| April | 12 | 820 | 13 | 6 | 5 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 116 | 2 | 15 | 3 | 3 | 191 | 3 | 7 | 13 | 20 |
| May | 6 | 8 | 21 | 6 | 215 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 17 | 0 | 7 | 51 | 5 | 393 | 7 | 3 | 2 | 20 |
| June | 16 | 0 | 29 | 7 | 129 | 1 | 5 | 1 | 1 | 5 | 2 | 10 | 3 | 4 | 0 | 4 | 0 | 50 | 0 | 19 | 88 | 4 | 0 | 7 | 26 |
| July | 2 | 0 | 14 | 2 | 7 | 1 | 1 | 0 | 1 | 7 | 2 | 0 | 1 | 10 | 0 | 1 | 0 | 3 | 0 | 13 | 17 | 2 | 0 | 4 | 26 |
| August | 2 | 0 | 5 | 4 | 4 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 30 | 5 | 1 | 0 | 1 | 8 |
| September | 2 | 0 | 6 | 0 | 9 | 0 | 0 | 2 | 6 | 1 | 2 | 0 | 1 | 0 | 0 | 1 | 0 | 4 | 0 | 21 | 17 | 1 | 0 | 1 | 6 |
| October | 4 | 0 | 6 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 5 | 1 | 0 | 0 | 1 | 3 |
| November | 4 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 3 | 0 | 0 | 2 | 3 |
| December | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 3 | 2 |