| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Mugwort | Chestnut | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Am | Oak | Sorrel | Willow | Nettle | Unidentified |
| January | 555 | 0 | 6 | 0 | 0 | 0 | 0 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 23 | 0 | 12 | 1 | 0 | 1 | 0 | 0 | 0 | 3 | 1 |
| February | 645 | 0 | 13 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 33 | 0 | 55 | 18 | 86 | 0 | 1 | 0 | 4 | 6 | 2 |
| March | 210 | 387 | 17 | 8 | 0 | 3 | 0 | 2 | 0 | 0 | 1 | 1 | 4 | 0 | 3 | 24 | 2 | 159 | 275 | 0 | 245 | 11 | 21 | 18 | 33 |
| April | 22 | 35 | 25 | 89 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 1 | 0 | 40 | 1 | 21 | 0 | 1 | 804 | 14 | 13 | 7 | 44 |
| May | 16 | 0 | 164 | 73 | 241 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 15 | 0 | 0 | 1 | 0 | 188 | 0 | 6 | 279 | 50 | 2 | 14 | 36 |
| June | 17 | 0 | 391 | 64 | 222 | 0 | 7 | 0 | 0 | 7 | 16 | 0 | 8 | 34 | 0 | 0 | 0 | 703 | 0 | 14 | 177 | 93 | 0 | 20 | 41 |
| July | 2 | 0 | 85 | 6 | 15 | 0 | 4 | 0 | 1 | 12 | 17 | 0 | 0 | 21 | 0 | 0 | 0 | 27 | 0 | 5 | 24 | 4 | 0 | 5 | 21 |
| August | 1 | 0 | 9 | 1 | 1 | 0 | 0 | 0 | 3 | 2 | 7 | 0 | 1 | 2 | 0 | 0 | 0 | 8 | 0 | 15 | 3 | 2 | 0 | 3 | 5 |
| September | 2 | 0 | 8 | 1 | 0 | 0 | 0 | 0 | 9 | 0 | 5 | 0 | 1 | 3 | 0 | 0 | 0 | 8 | 0 | 19 | 2 | 1 | 0 | 2 | 3 |
| October | 12 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 2 |
| November | 46 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 1 | 18 |
| December | 111 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 9 |