| 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 | Other | Unidentified |
| January | 207 | 0 | 2 | 0 | 0 | 0 | 0 | 12 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 59 | 0 | 1 | 1 | 0 | 0 | 3 | 1 | 0 | 2 | 0 | 1 |
| February | 193 | 0 | 5 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 32 | 0 | 161 | 1 | 0 | 0 | 2 | 0 | 1 | 5 | 0 | 2 |
| March | 424 | 604 | 14 | 0 | 0 | 1 | 1 | 6 | 208 | 0 | 0 | 1 | 1 | 3 | 0 | 22 | 65 | 254 | 72 | 254 | 1 | 7 | 2 | 3 | 15 | 4 | 4 |
| April | 14 | 466 | 35 | 93 | 1 | 13 | 3 | 1 | 48 | 0 | 1 | 2 | 1 | 1 | 1 | 6 | 402 | 9 | 788 | 64 | 1 | 576 | 14 | 9 | 6 | 8 | 5 |
| May | 7 | 6 | 186 | 80 | 308 | 1 | 1 | 0 | 9 | 0 | 5 | 8 | 0 | 16 | 6 | 14 | 32 | 5 | 167 | 0 | 8 | 530 | 15 | 3 | 6 | 38 | 50 |
| June | 4 | 0 | 36 | 9 | 184 | 0 | 2 | 0 | 0 | 1 | 5 | 7 | 0 | 3 | 2 | 0 | 1 | 1 | 90 | 0 | 6 | 85 | 2 | 2 | 7 | 7 | 27 |
| July | 7 | 0 | 12 | 3 | 6 | 1 | 6 | 0 | 0 | 0 | 11 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 6 | 1 | 8 | 5 | 1 | 0 | 4 | 7 | 26 |
| August | 1 | 0 | 5 | 4 | 2 | 0 | 5 | 0 | 0 | 1 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 15 | 4 | 1 | 0 | 1 | 5 | 13 |
| September | 7 | 1 | 4 | 2 | 4 | 0 | 1 | 0 | 0 | 2 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 10 | 4 | 0 | 0 | 2 | 1 | 8 |
| October | 41 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 1 | 0 | 0 | 1 | 1 | 6 |
| November | 162 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 1 | 0 | 0 | 5 | 0 | 5 |
| December | 150 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 1 | 2 | 0 | 0 | 5 | 0 | 6 |