| 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 | 493 | 1 | 8 | 1 | 1 | 0 | 0 | 17 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 77 | 0 | 2 | 3 | 0 | 1 | 4 | 1 | 0 | 5 | 0 | 4 |
| February | 696 | 0 | 9 | 4 | 2 | 1 | 0 | 8 | 1 | 4 | 0 | 1 | 2 | 0 | 0 | 37 | 0 | 265 | 3 | 17 | 2 | 4 | 1 | 1 | 11 | 2 | 6 |
| March | 463 | 1.934 | 14 | 6 | 2 | 2 | 0 | 4 | 69 | 0 | 0 | 2 | 0 | 5 | 1 | 23 | 112 | 81 | 25 | 48 | 1 | 46 | 3 | 5 | 13 | 4 | 7 |
| April | 41 | 417 | 10 | 42 | 11 | 2 | 0 | 0 | 141 | 0 | 0 | 2 | 6 | 7 | 0 | 2 | 75 | 7 | 34 | 2 | 4 | 208 | 5 | 5 | 28 | 7 | 13 |
| May | 39 | 11 | 93 | 97 | 104 | 3 | 0 | 0 | 50 | 0 | 0 | 5 | 0 | 22 | 0 | 0 | 21 | 1 | 100 | 0 | 5 | 622 | 24 | 5 | 9 | 10 | 8 |
| June | 17 | 2 | 67 | 21 | 155 | 1 | 0 | 0 | 5 | 0 | 10 | 10 | 1 | 10 | 3 | 0 | 0 | 0 | 286 | 0 | 5 | 299 | 14 | 2 | 45 | 12 | 11 |
| July | 5 | 1 | 10 | 10 | 11 | 1 | 2 | 0 | 0 | 2 | 7 | 6 | 0 | 2 | 30 | 1 | 0 | 0 | 7 | 0 | 9 | 32 | 1 | 0 | 4 | 13 | 5 |
| August | 5 | 2 | 8 | 3 | 3 | 1 | 1 | 1 | 0 | 1 | 2 | 4 | 0 | 1 | 5 | 0 | 0 | 0 | 5 | 0 | 11 | 14 | 1 | 0 | 4 | 32 | 4 |
| September | 2 | 5 | 8 | 3 | 1 | 0 | 0 | 0 | 0 | 4 | 1 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 4 | 0 | 10 | 9 | 0 | 0 | 3 | 4 | 2 |
| October | 14 | 15 | 3 | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 3 | 0 | 1 | 5 | 3 | 2 |
| November | 3 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 3 | 0 | 0 | 5 | 0 | 2 |
| December | 17 | 1 | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 14 | 0 | 1 | 1 | 0 | 1 | 4 | 0 | 0 | 8 | 1 | 1 |