| 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 | 2.390 | 1 | 6 | 1 | 1 | 0 | 0 | 19 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 55 | 0 | 17 | 1 | 0 | 1 | 2 | 1 | 1 | 4 | 1 | 4 |
| February | 400 | 2 | 7 | 1 | 0 | 0 | 0 | 6 | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 77 | 0 | 407 | 1 | 9 | 0 | 2 | 1 | 2 | 5 | 1 | 2 |
| March | 756 | 3.150 | 6 | 3 | 0 | 1 | 0 | 5 | 16 | 0 | 0 | 1 | 13 | 1 | 0 | 31 | 24 | 246 | 15 | 276 | 0 | 28 | 2 | 4 | 15 | 5 | 4 |
| April | 10 | 2.859 | 13 | 46 | 0 | 6 | 0 | 1 | 5 | 0 | 0 | 1 | 0 | 2 | 0 | 24 | 372 | 9 | 54 | 12 | 1 | 919 | 15 | 4 | 26 | 11 | 2 |
| May | 44 | 10 | 461 | 97 | 252 | 2 | 49 | 1 | 0 | 0 | 0 | 10 | 0 | 14 | 4 | 0 | 2 | 1 | 354 | 1 | 4 | 2.375 | 22 | 0 | 18 | 39 | 10 |
| June | 47 | 8 | 93 | 19 | 59 | 0 | 5 | 0 | 4 | 1 | 17 | 10 | 0 | 8 | 5 | 0 | 0 | 1 | 214 | 0 | 14 | 105 | 10 | 0 | 15 | 29 | 3 |
| July | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| August | 3 | 5 | 9 | 7 | 2 | 0 | 4 | 0 | 1 | 2 | 5 | 10 | 0 | 0 | 2 | 0 | 0 | 1 | 7 | 0 | 13 | 11 | 1 | 0 | 3 | 101 | 5 |
| September | 2 | 2 | 5 | 3 | 2 | 0 | 1 | 0 | 0 | 5 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 3 | 0 | 18 | 10 | 2 | 0 | 3 | 8 | 2 |
| October | 21 | 5 | 4 | 1 | 1 | 1 | 0 | 1 | 0 | 2 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 5 | 3 | 0 | 0 | 3 | 5 | 1 |
| November | 249 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 8 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 6 | 0 | 0 | 5 | 0 | 0 | 8 | 3 | 2 |
| December | 312 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 2 | 0 | 1 | 3 | 0 | 0 | 6 | 3 | 1 |