| 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 | 102 | 0 | 1 | 1 | 1 | 0 | 0 | 4 | 1 | 1 | 0 | 1 | 1 | 0 | 3 | 17 | 0 | 2 | 1 | 0 | 1 | 3 | 0 | 0 | 3 | 0 | 1 |
| February | 308 | 0 | 2 | 0 | 0 | 0 | 0 | 13 | 4 | 0 | 0 | 0 | 1 | 0 | 0 | 67 | 0 | 50 | 2 | 1 | 0 | 0 | 0 | 2 | 7 | 0 | 13 |
| March | 279 | 2 | 7 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 1 | 4 | 1 | 1 | 8 | 0 | 9 | 2 | 43 | 0 | 1 | 0 | 2 | 13 | 3 | 2 |
| April | 22 | 714 | 13 | 133 | 1 | 4 | 0 | 1 | 54 | 0 | 0 | 2 | 0 | 1 | 0 | 2 | 191 | 5 | 21 | 18 | 2 | 581 | 32 | 9 | 39 | 16 | 7 |
| May | 9 | 71 | 74 | 201 | 76 | 8 | 0 | 0 | 108 | 1 | 1 | 7 | 0 | 4 | 0 | 0 | 20 | 3 | 77 | 284 | 3 | 1.185 | 47 | 13 | 41 | 32 | 9 |
| June | 10 | 6 | 81 | 72 | 374 | 1 | 1 | 0 | 23 | 0 | 10 | 16 | 0 | 6 | 1 | 0 | 1 | 0 | 159 | 0 | 10 | 77 | 15 | 2 | 30 | 27 | 9 |
| July | 5 | 3 | 67 | 17 | 23 | 0 | 4 | 1 | 6 | 0 | 14 | 10 | 0 | 3 | 9 | 0 | 1 | 0 | 32 | 0 | 6 | 26 | 3 | 0 | 8 | 17 | 5 |
| August | 2 | 7 | 11 | 3 | 11 | 0 | 1 | 0 | 1 | 3 | 2 | 6 | 0 | 2 | 2 | 0 | 0 | 0 | 9 | 0 | 14 | 18 | 2 | 0 | 3 | 16 | 5 |
| September | 8 | 3 | 5 | 2 | 3 | 0 | 2 | 0 | 0 | 5 | 1 | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 12 | 10 | 0 | 0 | 2 | 2 | 3 |
| October | 49 | 2 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 5 | 2 | 0 | 0 | 1 | 0 | 2 |
| November | 51 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 7 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 2 | 0 | 0 | 2 | 0 | 1 |
| December | 88 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 3 | 0 | 0 | 3 | 0 | 1 |