| Month | Cypress/Yew | London Plane | Grasses | Plantain | Olive | Birch | Privet | Alder | Maple | Mugwort | Chestnut | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Goosefoot/Am | Oak | Sorrel | Willow | Nettle | Unidentified |
| January | 803 | 0 | 4 | 0 | 0 | 4 | 0 | 21 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 101 | 0 | 65 | 1 | 33 | 1 | 1 | 0 | 1 | 1 | 1 |
| February | 503 | 0 | 14 | 0 | 0 | 1 | 0 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 41 | 0 | 112 | 1 | 80 | 0 | 5 | 0 | 1 | 5 | 1 |
| March | 171 | 837 | 12 | 3 | 1 | 3 | 0 | 2 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 24 | 90 | 8 | 16 | 285 | 1 | 107 | 1 | 4 | 24 | 6 |
| April | 5 | 816 | 28 | 37 | 7 | 2 | 0 | 1 | 0 | 0 | 3 | 1 | 0 | 7 | 1 | 1 | 96 | 3 | 15 | 30 | 5 | 481 | 13 | 4 | 24 | 3 |
| May | 3 | 0 | 197 | 38 | 68 | 2 | 0 | 0 | 0 | 0 | 9 | 6 | 0 | 2 | 0 | 0 | 4 | 1 | 27 | 0 | 9 | 288 | 29 | 2 | 15 | 1 |
| June | 8 | 1 | 155 | 45 | 122 | 1 | 0 | 0 | 0 | 1 | 7 | 6 | 0 | 4 | 1 | 0 | 0 | 0 | 75 | 0 | 9 | 161 | 51 | 0 | 23 | 5 |
| July | 2 | 0 | 314 | 10 | 11 | 4 | 3 | 0 | 0 | 0 | 24 | 6 | 0 | 3 | 5 | 0 | 0 | 0 | 18 | 0 | 7 | 31 | 9 | 0 | 7 | 3 |
| August | 1 | 1 | 4 | 3 | 1 | 0 | 0 | 0 | 1 | 3 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 12 | 7 | 1 | 0 | 2 | 4 |
| September | 2 | 1 | 4 | 0 | 1 | 1 | 1 | 0 | 0 | 3 | 1 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 16 | 7 | 1 | 0 | 1 | 1 |
| October | 9 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 3 | 0 | 0 | 0 | 0 |
| November | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| December | 73 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 |