| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Maple | Mugwort | Chestnut | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Am | Oak | Sorrel | Willow | Nettle | Other | Unidentified |
| January | 109 | 0 | 1 | 0 | 0 | 0 | 0 | 10 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 |
| February | 266 | 0 | 4 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 69 | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 |
| March | 157 | 626 | 5 | 1 | 0 | 1 | 0 | 6 | 4 | 0 | 0 | 1 | 1 | 1 | 0 | 6 | 26 | 43 | 16 | 19 | 0 | 5 | 0 | 2 | 5 | 0 | 4 |
| April | 5 | 525 | 5 | 5 | 0 | 1 | 0 | 0 | 41 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 38 | 1 | 17 | 3 | 0 | 43 | 2 | 2 | 6 | 4 | 3 |
| May | 8 | 15 | 79 | 29 | 73 | 4 | 0 | 0 | 173 | 0 | 1 | 5 | 0 | 8 | 1 | 0 | 3 | 0 | 57 | 0 | 5 | 160 | 12 | 13 | 17 | 16 | 10 |
| June | 3 | 1 | 31 | 9 | 101 | 0 | 2 | 0 | 26 | 0 | 24 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | 57 | 0 | 2 | 59 | 6 | 1 | 5 | 9 | 3 |
| July | 1 | 2 | 5 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 7 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 2 | 6 | 1 | 0 | 2 | 18 | 1 |
| August | 0 | 3 | 2 | 2 | 2 | 0 | 1 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 2 | 4 | 0 | 0 | 1 | 5 | 1 |
| September | 1 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 1 | 0 | 0 | 1 | 1 | 1 |
| October | 1 | 20 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 |
| November | 3 | 27 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 3 | 1 | 0 |
| December | 13 | 2 | 3 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 1 |