| 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 | Unidentified |
| January | 459 | 0 | 16 | 0 | 0 | 0 | 0 | 2 | — | 0 | 0 | 0 | 1 | 0 | 0 | 15 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 1 |
| February | 408 | 5 | 11 | 0 | 0 | 0 | 0 | 21 | — | 1 | 0 | 1 | 0 | 0 | 0 | 42 | 0 | 43 | 1 | 11 | 0 | 3 | 1 | 0 | 4 | 2 |
| March | 380 | 576 | 15 | 2 | 1 | 1 | 0 | 1 | — | 0 | 0 | 1 | 0 | 1 | 0 | 9 | 10 | 41 | 3 | 118 | 1 | 2 | 2 | 5 | 6 | 5 |
| April | 11 | 490 | 11 | 17 | 4 | 26 | 0 | 0 | — | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 48 | 0 | 25 | 22 | 1 | 100 | 8 | 2 | 4 | 50 |
| May | 8 | 0 | 338 | 138 | 279 | 1 | 0 | 0 | — | 0 | 0 | 11 | 0 | 5 | 1 | 0 | 5 | 0 | 19 | 0 | 6 | 249 | 71 | 0 | 11 | 83 |
| June | 7 | 0 | 55 | 26 | 202 | 0 | 10 | 0 | — | 0 | 9 | 8 | 0 | 2 | 2 | 0 | 0 | 0 | 26 | 0 | 2 | 75 | 16 | 0 | 4 | 24 |
| July | 1 | 0 | 75 | 22 | 3 | 0 | 3 | 0 | — | 2 | 9 | 14 | 0 | 1 | 10 | 0 | 0 | 0 | 4 | 0 | 8 | 9 | 14 | 0 | 8 | 9 |
| August | 1 | 0 | 5 | 2 | 1 | 0 | 0 | 0 | — | 7 | 5 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 0 | 7 | 3 | 2 | 0 | 2 | 4 |
| September | 1 | 0 | 3 | 1 | 1 | 0 | 0 | 0 | — | 5 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 14 | 1 | 1 | 0 | 3 | 2 |
| October | 6 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | — | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 0 | 1 | 1 |
| November | 16 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | — | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 |
| December | 898 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |