| 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 | 71 | 0 | 7 | 0 | 0 | 0 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 34 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 |
| February | 280 | 0 | 63 | 0 | 0 | 0 | 0 | 19 | 0 | 0 | 0 | 1 | 0 | 0 | 37 | 0 | 19 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 1 |
| March | 150 | 329 | 21 | 1 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 1 | 1 | 0 | 4 | 1 | 25 | 5 | 421 | 1 | 1 | 1 | 1 | 30 | 44 |
| April | 10 | 952 | 29 | 26 | 0 | 3 | 0 | 1 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 221 | 0 | 35 | 25 | 2 | 298 | 15 | 2 | 17 | 5 |
| May | 15 | 54 | 389 | 105 | 136 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 4 | 0 | 0 | 4 | 0 | 83 | 0 | 5 | 459 | 119 | 0 | 15 | 11 |
| June | 5 | 2 | 552 | 76 | 227 | 0 | 0 | 0 | 0 | 19 | 10 | 0 | 5 | 2 | 0 | 0 | 0 | 139 | 0 | 7 | 223 | 46 | 0 | 13 | 27 |
| July | 0 | 0 | 75 | 5 | 5 | 0 | 0 | 0 | 1 | 7 | 11 | 0 | 1 | 1 | 0 | 0 | 0 | 7 | 0 | 8 | 4 | 7 | 0 | 11 | 10 |
| August | 0 | 2 | 7 | 2 | 1 | 0 | 0 | 0 | 5 | 0 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 25 | 0 | 1 | 0 | 5 | 8 |
| September | 2 | 1 | 4 | 1 | 0 | 0 | 0 | 0 | 20 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 13 | 2 | 1 | 0 | 3 | 3 |
| October | 30 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 5 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 4 | 0 |
| November | 390 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 1 | 1 | 0 | 0 | 1 | 0 |
| December | 95 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |