| 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 | 669 | 0 | 2 | 0 | 0 | 0 | 0 | 8 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 7 | 0 | 36 | 1 | 0 | 1 | 0 | 0 | 0 | 3 | 1 | 1 |
| February | 1.717 | 0 | 6 | 0 | 0 | 0 | 0 | 34 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 74 | 0 | 84 | 2 | 255 | 0 | 1 | 0 | 2 | 4 | 1 | 2 |
| March | 388 | 315 | 6 | 0 | 0 | 2 | 0 | 2 | 23 | 0 | 0 | 1 | 1 | 1 | 0 | 8 | 31 | 8 | 4 | 178 | 0 | 14 | 3 | 2 | 14 | 39 | 6 |
| April | 14 | 457 | 12 | 17 | 4 | 3 | 2 | 0 | 304 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 114 | 1 | 42 | 26 | 1 | 122 | 6 | 9 | 6 | 9 | 9 |
| May | 18 | 10 | 230 | 15 | 326 | 1 | 16 | 0 | 202 | 0 | 2 | 4 | 0 | 13 | 1 | 0 | 3 | 1 | 94 | 1 | 5 | 223 | 12 | 2 | 6 | 12 | 3 |
| June | 9 | 1 | 131 | 25 | 29 | 0 | 2 | 0 | 8 | 1 | 34 | 7 | 0 | 9 | 1 | 0 | 0 | 0 | 68 | 0 | 5 | 18 | 21 | 0 | 14 | 16 | 4 |
| July | 1 | 1 | 58 | 6 | 2 | 0 | 1 | 0 | 0 | 1 | 32 | 4 | 1 | 2 | 3 | 0 | 0 | 0 | 4 | 0 | 8 | 12 | 3 | 2 | 7 | 16 | 12 |
| August | 1 | 0 | 5 | 5 | 1 | 0 | 1 | 0 | 0 | 3 | 4 | 3 | 0 | 1 | 1 | 0 | 1 | 0 | 3 | 0 | 21 | 7 | 1 | 0 | 2 | 2 | 1 |
| September | 3 | 0 | 5 | 3 | 1 | 0 | 0 | 0 | 0 | 7 | 1 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 36 | 4 | 0 | 0 | 1 | 2 | 1 |
| October | 2 | 0 | 3 | 4 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 8 | 3 | 0 | 0 | 1 | 1 | 1 |
| November | 9 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 1 |
| December | 13 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 2 |