| 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 | 1.072 | 1 | 4 | 1 | 0 | 0 | 0 | 21 | 5 | 0 | 0 | 2 | 3 | 0 | 1 | 113 | 0 | 3 | 1 | 0 | 1 | 3 | 1 | 0 | 5 | 0 | 2 |
| February | 1.312 | 0 | 6 | 1 | 0 | 0 | 0 | 225 | 1 | 0 | 0 | 0 | 3 | 1 | 1 | 322 | 0 | 50 | 2 | 17 | 0 | 1 | 0 | 2 | 5 | 0 | 2 |
| March | 399 | 418 | 16 | 3 | 0 | 1 | 0 | 3 | 26 | 0 | 0 | 1 | 2 | 1 | 0 | 7 | 1 | 16 | 12 | 152 | 1 | 3 | 4 | 23 | 32 | 4 | 7 |
| April | 13 | 1.702 | 24 | 61 | 1 | 7 | 0 | 1 | 10 | 0 | 0 | 2 | 3 | 12 | 0 | 1 | 83 | 3 | 29 | 62 | 6 | 249 | 12 | 8 | 24 | 10 | 11 |
| May | 27 | 26 | 386 | 164 | 256 | 13 | 1 | 0 | 20 | 0 | 0 | 16 | 2 | 9 | 1 | 2 | 45 | 1 | 399 | 17 | 9 | 1.536 | 48 | 6 | 31 | 35 | 23 |
| June | 48 | 5 | 314 | 125 | 304 | 7 | 6 | 0 | 7 | 1 | 13 | 21 | 0 | 14 | 1 | 0 | 1 | 0 | 466 | 1 | 14 | 369 | 73 | 1 | 22 | 21 | 30 |
| July | 8 | 2 | 179 | 11 | 12 | 0 | 11 | 0 | 0 | 1 | 12 | 5 | 0 | 3 | 7 | 0 | 0 | 0 | 21 | 0 | 8 | 17 | 4 | 0 | 6 | 9 | 16 |
| August | 2 | 1 | 8 | 3 | 1 | 0 | 1 | 0 | 0 | 2 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 2 | 12 | 7 | 1 | 0 | 9 | 4 | 2 |
| September | 2 | 3 | 10 | 5 | 1 | 0 | 1 | 0 | 0 | 2 | 1 | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 4 | 0 | 11 | 6 | 1 | 0 | 1 | 2 | 2 |
| October | 15 | 2 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 4 | 0 | 2 | 3 | 0 | 0 | 1 | 1 | 1 |
| November | 6 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 1 | 2 | 1 | 0 | 3 | 0 | 4 |
| December | 72 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 2 |