| 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 | 65 | 0 | 0 | 0 | 1 | 0 | 0 | 34 | 0 | 2 | 2 | 0 | 1 | 0 | 0 | 1 | 1 | 2 |
| February | 0 | 0 | 0 | 0 | 23 | 8 | 1 | 1 | 0 | 0 | 0 | 118 | 1 | 935 | 2 | 724 | 2 | 1 | 3 | 38 | 14 | 2 |
| March | 9 | 0 | 2 | 0 | 1 | 38 | 0 | 1 | 1 | 8 | 0 | 19 | 179 | 9 | 93 | 112 | 32 | 9 | 7 | 24 | 31 | 4 |
| April | 74 | 11 | 6 | 0 | 1 | 6 | 0 | 4 | 0 | 3 | 1 | 8 | 160 | 8 | 67 | 9 | 484 | 16 | 9 | 28 | 19 | 6 |
| May | 169 | 1.084 | 3 | 8 | 0 | 0 | 0 | 9 | 0 | 31 | 1 | 0 | 6 | 0 | 181 | 0 | 1.343 | 71 | 3 | 26 | 25 | 10 |
| June | 18 | 334 | 0 | 5 | 0 | 0 | 0 | 9 | 0 | 10 | 2 | 0 | 0 | 1 | 178 | 0 | 146 | 14 | 0 | 12 | 16 | 6 |
| July | 16 | 6 | 0 | 4 | 0 | 0 | 1 | 7 | 0 | 1 | 9 | 0 | 0 | 1 | 6 | 0 | 13 | 3 | 0 | 9 | 30 | 5 |
| August | 5 | 2 | 0 | 1 | 0 | 0 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 5 | 0 | 6 | 1 | 0 | 3 | 27 | 2 |
| September | 2 | 5 | 0 | 0 | 0 | 0 | 4 | 3 | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 5 | 1 | 0 | 1 | 14 | 3 |
| October | 1 | 1 | 0 | 1 | 0 | 0 | 7 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 44 | 0 | 5 | 2 | 0 | 8 | 3 | 2 |
| November | 1 | 1 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 8 | 0 | 2 | 0 | 0 | 5 | 2 | 3 |
| December | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 33 | 0 | 0 | 2 | 0 | 3 | 0 | 0 | 15 | 1 | 1 |