| 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 | 263 | 0 | 5 | 0 | 0 | 0 | 0 | 10 | 0 | 3 | 0 | 3 | 1 | 0 | 1 | 29 | 0 | 6 | 3 | 1 | 1 | 11 | 0 | 0 | 11 | 1 | 4 |
| February | 410 | 0 | 6 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 38 | 0 | 594 | 0 | 27 | 1 | 1 | 1 | 1 | 47 | 2 | 8 |
| March | 327 | 2.583 | 5 | 0 | 0 | 2 | 0 | 1 | 38 | 0 | 2 | 1 | 0 | 5 | 0 | 5 | 39 | 19 | 46 | 178 | 2 | 7 | 5 | 5 | 49 | 7 | 17 |
| April | 24 | 2.317 | 26 | 69 | 37 | 48 | 0 | 0 | 708 | 0 | 1 | 2 | 0 | 11 | 0 | 0 | 824 | 1 | 118 | 57 | 7 | 497 | 21 | 5 | 50 | 19 | 20 |
| May | 26 | 12 | 725 | 56 | 1.413 | 9 | 3 | 0 | 93 | 0 | 1 | 14 | 0 | 13 | 0 | 0 | 92 | 1 | 73 | 0 | 26 | 706 | 46 | 0 | 5 | 38 | 24 |
| June | 4 | 0 | 292 | 29 | 1.585 | 0 | 2 | 0 | 0 | 0 | 13 | 25 | 0 | 4 | 12 | 0 | 5 | 0 | 107 | 0 | 16 | 160 | 24 | 0 | 4 | 35 | 21 |
| July | 2 | 0 | 27 | 5 | 17 | 0 | 3 | 0 | 0 | 0 | 4 | 4 | 0 | 0 | 1 | 0 | 4 | 0 | 9 | 0 | 18 | 19 | 2 | 0 | 4 | 4 | 10 |
| August | 0 | 0 | 7 | 2 | 4 | 0 | 0 | 0 | 0 | 5 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 17 | 24 | 1 | 0 | 4 | 4 | 12 |
| September | 1 | 0 | 10 | 1 | 4 | 0 | 0 | 0 | 0 | 31 | 4 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 31 | 9 | 1 | 0 | 2 | 9 | 10 |
| October | 5 | 0 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 6 | 5 | 0 | 0 | 2 | 8 | 8 |
| November | 23 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 21 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 2 | 4 | 1 | 0 | 1 | 3 | 4 |
| December | 9 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 5 | 1 | 2 |