| 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 | 184 | 0 | 6 | 1 | 2 | 0 | 0 | 11 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 4 | 1 | 0 | 1 | 8 | 1 | 0 | 4 | 0 | 5 |
| February | 179 | 0 | 8 | 0 | 1 | 1 | 0 | 9 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 21 | 1 | 332 | 4 | 163 | 0 | 8 | 4 | 1 | 10 | 0 | 11 |
| March | 1.000 | 1.878 | 19 | 0 | 1 | 4 | 0 | 4 | 137 | 0 | 0 | 1 | 1 | 0 | 0 | 12 | 230 | 234 | 3 | 158 | 0 | 28 | 5 | 1 | 13 | 3 | 15 |
| April | 27 | 3.205 | 88 | 75 | 6 | 1 | 0 | 0 | 615 | 0 | 2 | 3 | 0 | 4 | 0 | 0 | 402 | 2 | 59 | 50 | 2 | 117 | 16 | 24 | 7 | 24 | 21 |
| May | 13 | 0 | 208 | 86 | 377 | 0 | 80 | 0 | 585 | 0 | 0 | 6 | 0 | 7 | 1 | 0 | 16 | 0 | 99 | 0 | 15 | 397 | 40 | 10 | 5 | 817 | 26 |
| June | 2 | 0 | 42 | 3 | 107 | 0 | 12 | 0 | 26 | 0 | 4 | 2 | 0 | 2 | 0 | 0 | 2 | 0 | 106 | 0 | 10 | 65 | 2 | 0 | 8 | 11 | 12 |
| July | 2 | 1 | 10 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 8 | 0 | 15 | 13 | 2 | 0 | 3 | 9 | 5 |
| August | 1 | 0 | 4 | 1 | 3 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 16 | 10 | 0 | 0 | 4 | 4 | 5 |
| September | 2 | 0 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 51 | 6 | 2 | 0 | 2 | 1 | 5 |
| October | 34 | 0 | 7 | 2 | 1 | 0 | 0 | 2 | 0 | 5 | 0 | 3 | 0 | 1 | 0 | 0 | 1 | 0 | 3 | 0 | 7 | 4 | 2 | 0 | 5 | 3 | 5 |
| November | 42 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 3 | 1 | 3 |
| December | 85 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 1 | 1 | 0 | 1 | 2 | 1 | 0 | 3 | 1 | 3 |