| Month | Plantain | Olive | Birch | Privet | Alder | Maple | Mugwort | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Oak | Sorrel | Willow | Nettle | Other | Unidentified |
| January | 0 | 0 | 0 | 0 | 6 | 0 | 3 | 0 | 0 | 0 | 0 | 28 | 0 | 10 | 0 | 0 | 2 | 1 | 0 | 6 | 0 | 3 |
| February | 0 | 1 | 3 | 0 | 4 | 0 | 0 | 2 | 5 | 1 | 0 | 20 | 0 | 1.031 | 3 | 110 | 5 | 6 | 3 | 10 | 1 | 8 |
| March | 0 | 0 | 2 | 0 | 10 | 58 | 0 | 1 | 0 | 2 | 0 | 5 | 7 | 49 | 17 | 61 | 17 | 5 | 0 | 13 | 5 | 12 |
| April | 60 | 4 | 12 | 0 | 0 | 741 | 0 | 2 | 2 | 1 | 1 | 1 | 387 | 7 | 76 | 12 | 214 | 5 | 4 | 16 | 29 | 23 |
| May | 176 | 390 | 21 | 17 | 0 | 177 | 0 | 11 | 0 | 10 | 2 | 0 | 284 | 0 | 139 | 0 | 1.126 | 25 | 15 | 36 | 69 | 21 |
| June | 25 | 83 | 2 | 2 | 0 | 6 | 0 | 8 | 0 | 0 | 5 | 0 | 1 | 0 | 49 | 0 | 76 | 4 | 0 | 58 | 24 | 13 |
| July | 6 | 7 | 0 | 1 | 0 | 0 | 1 | 10 | 0 | 1 | 1 | 0 | 3 | 0 | 13 | 0 | 15 | 6 | 1 | 9 | 8 | 6 |
| August | 5 | 13 | 0 | 2 | 0 | 0 | 2 | 13 | 0 | 1 | 2 | 0 | 0 | 0 | 12 | 0 | 17 | 4 | 0 | 2 | 17 | 3 |
| September | 5 | 3 | 1 | 2 | 0 | 0 | 4 | 21 | 0 | 1 | 1 | 0 | 0 | 0 | 8 | 0 | 20 | 1 | 1 | 3 | 10 | 2 |
| October | 1 | 1 | 0 | 3 | 0 | 0 | 6 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 5 | 2 | 0 | 1 | 7 | 2 |
| November | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 0 | 4 | 1 | 0 | 3 | 2 | 2 |
| December | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 3 | 0 | 0 | 6 | 1 | 2 |