| 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 | 147 | 0 | 5 | 0 | 0 | 0 | 0 | 9 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 31 | 0 | 1 | 3 | 0 | 0 | 5 | 0 | 0 | 2 | 1 | 1 |
| February | 621 | 0 | 10 | 0 | 0 | 0 | 0 | 11 | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 46 | 0 | 196 | 2 | 7 | 0 | 5 | 0 | 3 | 5 | 1 | 2 |
| March | 366 | 996 | 13 | 5 | 9 | 5 | 0 | 0 | 31 | 2 | 0 | 2 | 0 | 6 | 0 | 8 | 225 | 25 | 18 | 158 | 1 | 104 | 8 | 18 | 34 | 6 | 5 |
| April | 41 | 629 | 23 | 52 | 77 | 5 | 0 | 2 | 132 | 1 | 0 | 2 | 0 | 11 | 1 | 0 | 97 | 5 | 45 | 20 | 2 | 847 | 10 | 19 | 20 | 12 | 10 |
| May | 19 | 10 | 127 | 40 | 488 | 1 | 2 | 0 | 9 | 0 | 1 | 6 | 0 | 16 | 1 | 0 | 1 | 1 | 48 | 0 | 9 | 161 | 7 | 2 | 12 | 19 | 7 |
| June | 7 | 2 | 44 | 17 | 58 | 1 | 3 | 0 | 1 | 0 | 10 | 5 | 1 | 2 | 6 | 1 | 0 | 1 | 28 | 0 | 8 | 48 | 3 | 0 | 10 | 11 | 4 |
| July | 3 | 1 | 7 | 13 | 4 | 1 | 1 | 0 | 0 | 2 | 5 | 3 | 0 | 0 | 5 | 0 | 1 | 0 | 4 | 2 | 9 | 11 | 2 | 0 | 11 | 64 | 2 |
| August | 2 | 3 | 6 | 3 | 2 | 0 | 1 | 0 | 0 | 7 | 2 | 4 | 0 | 1 | 1 | 0 | 3 | 0 | 3 | 1 | 27 | 17 | 2 | 1 | 4 | 12 | 2 |
| September | 4 | 6 | 5 | 2 | 1 | 0 | 1 | 0 | 2 | 4 | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 14 | 8 | 0 | 0 | 2 | 3 | 2 |
| October | 14 | 2 | 6 | 2 | 1 | 0 | 1 | 0 | 2 | 2 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 8 | 9 | 0 | 0 | 2 | 1 | 2 |
| November | 4 | 1 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 4 | 0 | 2 | 3 | 0 | 0 | 2 | 1 | 1 |
| December | 45 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 4 | 0 | 0 | 1 | 0 | 1 |