| 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 | 475 | 1 | 4 | 0 | 1 | 0 | 1 | 16 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 74 | 0 | 3 | 1 | 0 | 0 | 5 | 0 | 0 | 4 | 0 | 2 |
| February | 120 | 0 | 3 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 32 | 0 | 81 | 1 | 0 | 0 | 9 | 0 | 1 | 3 | 2 | 1 |
| March | 488 | 1.922 | 10 | 1 | 0 | 0 | 0 | 6 | 11 | 0 | 0 | 1 | 4 | 2 | 0 | 37 | 60 | 65 | 5 | 342 | 1 | 15 | 2 | 17 | 20 | 6 | 3 |
| April | 31 | 2.853 | 24 | 128 | 5 | 1 | 0 | 0 | 8 | 0 | 0 | 3 | 3 | 5 | 1 | 29 | 111 | 2 | 95 | 87 | 2 | 823 | 27 | 6 | 12 | 18 | 3 |
| May | 15 | 12 | 145 | 154 | 396 | 2 | 0 | 0 | 9 | 1 | 1 | 10 | 0 | 7 | 4 | 0 | 18 | 0 | 182 | 0 | 11 | 720 | 24 | 2 | 5 | 34 | 5 |
| June | 7 | 2 | 44 | 26 | 130 | 2 | 4 | 0 | 2 | 1 | 25 | 7 | 0 | 2 | 36 | 0 | 3 | 0 | 213 | 0 | 7 | 105 | 6 | 0 | 14 | 19 | 4 |
| July | 3 | 2 | 23 | 10 | 12 | 0 | 3 | 0 | 2 | 1 | 30 | 5 | 0 | 1 | 19 | 0 | 0 | 0 | 7 | 0 | 14 | 22 | 1 | 0 | 10 | 38 | 3 |
| August | 1 | 1 | 7 | 3 | 3 | 0 | 2 | 0 | 0 | 2 | 1 | 5 | 0 | 1 | 3 | 0 | 0 | 0 | 3 | 0 | 10 | 13 | 1 | 0 | 3 | 11 | 2 |
| September | 3 | 1 | 4 | 2 | 2 | 0 | 1 | 0 | 0 | 3 | 2 | 2 | 0 | 1 | 2 | 0 | 0 | 0 | 4 | 0 | 13 | 6 | 1 | 0 | 3 | 9 | 2 |
| October | 22 | 1 | 3 | 2 | 2 | 0 | 1 | 0 | 0 | 2 | 1 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 4 | 6 | 2 | 0 | 5 | 4 | 1 |
| November | 197 | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 4 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 3 | 1 | 0 | 18 | 2 | 1 |
| December | 19 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 0 | 1 |