| 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 | 20 | 0 | 0 | 0 | 2 | 0 | 0 | 490 | 0 | 94 | 1 | 0 | 0 | 0 | 0 | 13 | 1 | 2 |
| February | 1 | 0 | 0 | 0 | 24 | 1 | 0 | 1 | 2 | 0 | 0 | 246 | 0 | 118 | 2 | 18 | 1 | 1 | 3 | 23 | 2 | 2 |
| March | 1 | 0 | 1 | 0 | 2 | 18 | 0 | 1 | 0 | 1 | 2 | 14 | 10 | 4 | 22 | 64 | 9 | 1 | 4 | 28 | 8 | 7 |
| April | 56 | 1 | 16 | 0 | 0 | 25 | 0 | 1 | 1 | 3 | 1 | 1 | 48 | 1 | 71 | 57 | 450 | 10 | 6 | 39 | 31 | 25 |
| May | 247 | 284 | 23 | 1 | 0 | 1 | 0 | 16 | 0 | 11 | 1 | 1 | 19 | 0 | 332 | 0 | 4.594 | 61 | 3 | 34 | 65 | 14 |
| June | 22 | 86 | 0 | 11 | 1 | 0 | 0 | 9 | 0 | 3 | 3 | 0 | 1 | 0 | 95 | 0 | 232 | 16 | 0 | 14 | 41 | 24 |
| July | 5 | 3 | 0 | 5 | 1 | 0 | 1 | 6 | 0 | 1 | 8 | 0 | 0 | 0 | 9 | 0 | 26 | 2 | 0 | 9 | 8 | 13 |
| August | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 6 | 0 | 27 | 1 | 0 | 3 | 8 | 13 |
| September | 1 | 0 | 0 | 0 | 0 | 0 | 9 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 3 | 1 | 0 | 1 | 3 | 7 |
| October | 1 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 20 | 1 | 0 | 2 | 4 | 4 |
| November | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 4 | 2 | 9 |
| December | 0 | 0 | 1 | 0 | 1 | 4 | 1 | 1 | 0 | 0 | 0 | 26 | 0 | 0 | 1 | 0 | 14 | 0 | 0 | 12 | 3 | 7 |