| 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 | 110 | 0 | 7 | 0 | 0 | 0 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 | 0 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 2 | 1 | 2 |
| February | 97 | 2 | 6 | 0 | 2 | 1 | 0 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 66 | 0 | 8 | 2 | 5 | 0 | 0 | 3 | 3 | 1 |
| March | 299 | 38 | 6 | 1 | 0 | 0 | 0 | 2 | 11 | 0 | 0 | 0 | 1 | 1 | 0 | 14 | 1 | 26 | 2 | 142 | 1 | 12 | 2 | 5 | 15 | 5 | 3 |
| April | 8 | 815 | 21 | 57 | 13 | 1 | 0 | 0 | 157 | 0 | 0 | 1 | 0 | 5 | 0 | 1 | 705 | 0 | 32 | 12 | 9 | 871 | 36 | 8 | 12 | 162 | 8 |
| May | 48 | 84 | 421 | 47 | 441 | 0 | 0 | 0 | 75 | 3 | 5 | 16 | 0 | 3 | 1 | 0 | 63 | 0 | 34 | 0 | 31 | 304 | 29 | 9 | 47 | 47 | 15 |
| June | 22 | 4 | 200 | 14 | 706 | 1 | 14 | 1 | 17 | 1 | 3 | 25 | 0 | 4 | 0 | 0 | 7 | 0 | 114 | 0 | 14 | 105 | 26 | 0 | 11 | 47 | 21 |
| July | 2 | 4 | 20 | 10 | 19 | 0 | 9 | 0 | 6 | 0 | 3 | 9 | 0 | 0 | 0 | 0 | 4 | 0 | 10 | 0 | 46 | 8 | 5 | 0 | 1 | 7 | 4 |
| August | 2 | 4 | 11 | 0 | 5 | 0 | 1 | 0 | 0 | 4 | 1 | 4 | 0 | 0 | 0 | 0 | 7 | 0 | 3 | 0 | 61 | 4 | 0 | 0 | 4 | 2 | 3 |
| September | 2 | 1 | 5 | 1 | 2 | 0 | 1 | 0 | 0 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 32 | 2 | 0 | 1 | 1 | 1 | 2 |
| October | 25 | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 2 | 0 | 0 | 0 | 2 | 1 |
| November | 99 | 2 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 52 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 1 | 0 | 0 | 3 | 2 | 1 |
| December | 36 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 4 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 2 |