| 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 | 15 | 0 | 8 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 1 | 0 | 0 | 0 | 22 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 5 |
| February | 25 | 0 | 27 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | 0 | 7 | 1 | 1 | 0 | 0 | 0 | 2 | 7 | 3 |
| March | 147 | 252 | 12 | 2 | 2 | 0 | 1 | 9 | 0 | 0 | 1 | 3 | 1 | 0 | 2 | 1 | 11 | 11 | 172 | 0 | 43 | 2 | 8 | 32 | 17 |
| April | 5 | 552 | 16 | 31 | 3 | 4 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 61 | 0 | 9 | 8 | 4 | 149 | 10 | 7 | 33 | 32 |
| May | 10 | 6 | 382 | 132 | 84 | 0 | 9 | 0 | 0 | 0 | 12 | 0 | 3 | 0 | 0 | 9 | 0 | 53 | 0 | 16 | 261 | 85 | 2 | 14 | 40 |
| June | 16 | 0 | 171 | 57 | 245 | 0 | 6 | 0 | 1 | 8 | 16 | 0 | 4 | 1 | 0 | 0 | 0 | 162 | 0 | 16 | 77 | 21 | 0 | 11 | 36 |
| July | 0 | 0 | 46 | 8 | 2 | 0 | 4 | 0 | 0 | 21 | 11 | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 7 | 3 | 3 | 0 | 4 | 14 |
| August | 1 | 0 | 4 | 2 | 2 | 0 | 0 | 0 | 3 | 1 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 21 | 2 | 2 | 0 | 1 | 5 |
| September | 1 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 2 | 3 |
| October | 23 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 1 | 1 | 0 | 2 | 5 |
| November | 1.278 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 1 | 0 | 2 | 4 |
| December | 65 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 |