| 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 | 11 | 0 | 0 | 2 | 3 | 0 | 0 | 752 | 1 | 1 | 2 | 0 | 3 | 1 | 0 | 0 | 0 | 1 |
| February | 2 | 0 | 0 | 0 | 5 | 0 | 1 | 1 | 2 | 0 | 0 | 677 | 2 | 34 | 2 | 15 | 6 | 3 | 0 | 3 | 0 | 2 |
| March | 1 | 1 | 1 | 0 | 1 | 13 | 0 | 1 | 1 | 0 | 0 | 24 | 3 | 2 | 4 | 61 | 7 | 5 | 0 | 7 | 0 | 1 |
| April | 21 | 21 | 11 | 1 | 2 | 8 | 0 | 3 | 1 | 2 | 0 | 9 | 2 | 0 | 143 | 15 | 520 | 12 | 0 | 11 | 3 | 2 |
| May | 178 | 178 | 2 | 0 | 0 | 5 | 0 | 4 | 0 | 6 | 0 | 0 | 5 | 1 | 508 | 2 | 3.801 | 31 | 0 | 14 | 18 | 3 |
| June | 90 | 71 | 2 | 3 | 0 | 1 | 0 | 8 | 0 | 9 | 0 | 0 | 4 | 0 | 580 | 0 | 253 | 42 | 0 | 21 | 10 | 2 |
| July | 15 | 5 | 1 | 3 | 0 | 1 | 1 | 5 | 0 | 1 | 1 | 0 | 1 | 0 | 10 | 0 | 42 | 3 | 0 | 3 | 5 | 2 |
| August | 1 | 3 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 6 | 0 | 44 | 1 | 0 | 1 | 3 | 1 |
| September | 1 | 3 | 0 | 1 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | 21 | 1 | 0 | 1 | 2 | 0 |
| October | 1 | 1 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 10 | 31 | 12 | 1 | 0 | 2 | 1 | 1 |
| November | 1 | 4 | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 1 | 7 | 1 | 1 | 2 | 1 | 0 |
| December | 2 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 67 | 0 | 0 | 2 | 0 | 5 | 1 | 0 | 1 | 0 | 0 |