| 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 | 223 | 0 | 9 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 26 | 0 | 7 | 1 | 1 | 0 | 0 | 1 | 0 | 4 | 1 |
| February | 519 | 0 | 26 | 1 | 0 | 1 | 0 | 6 | 0 | 0 | 1 | 6 | 1 | 0 | 42 | 1 | 138 | 1 | 227 | 1 | 0 | 1 | 3 | 16 | 1 |
| March | 47 | 944 | 18 | 2 | 8 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 4 | 0 | 1 | 52 | 5 | 37 | 32 | 1 | 79 | 11 | 8 | 29 | 33 |
| April | 20 | 454 | 16 | 17 | 5 | 13 | 0 | 0 | 0 | 2 | 2 | 0 | 2 | 0 | 0 | 87 | 2 | 30 | 1 | 3 | 456 | 16 | 3 | 17 | 63 |
| May | 19 | 1 | 388 | 26 | 611 | 3 | 0 | 0 | 0 | 1 | 4 | 0 | 3 | 0 | 0 | 1 | 0 | 23 | 0 | 5 | 123 | 26 | 0 | 6 | 33 |
| June | 10 | 0 | 216 | 15 | 168 | 3 | 10 | 0 | 0 | 22 | 12 | 0 | 3 | 15 | 0 | 0 | 0 | 85 | 0 | 16 | 35 | 27 | 0 | 8 | 23 |
| July | 1 | 3 | 17 | 5 | 3 | 1 | 5 | 0 | 1 | 8 | 4 | 0 | 1 | 4 | 0 | 0 | 0 | 3 | 0 | 12 | 3 | 3 | 0 | 3 | 53 |
| August | 3 | 0 | 8 | 2 | 1 | 0 | 1 | 0 | 3 | 2 | 4 | 0 | 1 | 3 | 3 | 0 | 0 | 1 | 0 | 12 | 2 | 1 | 0 | 3 | 70 |
| September | 1 | 0 | 5 | 2 | 1 | 0 | 1 | 0 | 4 | 1 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 15 | 3 | 1 | 0 | 2 | 3 |
| October | 20 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | 1 | 0 | 4 | 1 |
| November | 189 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 3 | 0 | 0 | 0 | 3 | 2 |
| December | 129 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |