| 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 | 73 | 0 | 2 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 0 | 3 | 1 | 0 | 1 | 1 | 1 | 0 | 8 | 2 |
| February | 62 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 54 | 0 | 5 | 0 | 1 | 0 | 1 | 2 | 2 |
| March | 39 | 172 | 2 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 7 | 8 | 49 | 0 | 5 | 1 | 1 | 11 | 13 |
| April | 1 | 279 | 3 | 50 | 4 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 54 | 1 | 7 | 1 | 1 | 134 | 5 | 1 | 8 | 71 |
| May | 4 | 20 | 308 | 23 | 282 | 0 | 1 | 0 | 0 | 8 | 5 | 1 | 2 | 1 | 0 | 10 | 1 | 32 | 66 | 7 | 98 | 21 | 0 | 2 | 89 |
| June | 1 | 3 | 46 | 4 | 97 | 0 | 0 | 0 | 0 | 8 | 4 | 0 | 1 | 4 | 0 | 1 | 1 | 7 | 0 | 8 | 9 | 4 | 0 | 2 | 9 |
| July | 1 | 0 | 6 | 1 | 6 | 0 | 0 | 0 | 1 | 2 | 4 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 9 | 3 | 1 | 0 | 2 | 6 |
| August | 1 | 0 | 2 | 1 | 2 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 12 | 2 | 1 | 0 | 1 | 10 |
| September | 1 | 0 | 4 | 1 | 24 | 0 | 0 | 0 | 5 | 2 | 2 | 0 | 1 | 1 | 0 | 1 | 0 | 2 | 0 | 18 | 1 | 1 | 0 | 1 | 5 |
| October | 8 | 0 | 3 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 1 | 0 | 2 | 1 | 1 | 0 | 3 | 2 | 0 | 0 | 2 | 2 |
| November | 12 | 0 | 1 | 0 | 2 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 1 | 0 | 1 | 4 | 0 | 0 | 6 | 3 |
| December | 350 | 0 | 5 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 6 | 2 |