| Month | Plantain | Olive | Birch | Privet | Alder | Maple | Mugwort | Composites | Hazel | Heather | Eucalyptus | Ash | Mulberry | Elm | Pine | Poplar | Oak | Sorrel | Willow | Nettle | Other | Unidentified |
| January | 1 | 0 | 0 | 0 | 46 | 0 | 0 | 1 | 1 | 0 | 0 | 82 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 2 |
| February | 0 | 0 | 0 | 0 | 10 | 6 | 1 | 1 | 1 | 0 | 1 | 410 | 0 | 243 | 4 | 134 | 4 | 1 | 4 | 33 | 4 | 2 |
| March | 4 | 0 | 15 | 0 | 1 | 28 | 0 | 1 | 1 | 6 | 1 | 13 | 62 | 8 | 43 | 121 | 25 | 6 | 11 | 28 | 10 | 4 |
| April | 43 | 6 | 20 | 0 | 0 | 2 | 0 | 2 | 1 | 3 | 0 | 8 | 39 | 4 | 34 | 11 | 860 | 12 | 9 | 21 | 21 | 18 |
| May | 120 | 517 | 6 | 10 | 0 | 2 | 0 | 11 | 0 | 29 | 1 | 0 | 7 | 0 | 262 | 2 | 2.273 | 76 | 6 | 16 | 27 | 9 |
| June | 19 | 176 | 0 | 1 | 0 | 1 | 0 | 8 | 0 | 9 | 1 | 0 | 0 | 0 | 335 | 0 | 97 | 25 | 0 | 19 | 23 | 8 |
| July | 21 | 5 | 0 | 2 | 1 | 0 | 1 | 6 | 0 | 1 | 3 | 0 | 0 | 0 | 7 | 0 | 9 | 4 | 1 | 14 | 9 | 8 |
| August | 3 | 1 | 0 | 1 | 0 | 0 | 2 | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 3 | 2 | 0 | 4 | 8 | 8 |
| September | 1 | 1 | 0 | 0 | 0 | 0 | 10 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 3 | 0 | 2 | 1 | 0 | 1 | 4 | 6 |
| October | 1 | 1 | 0 | 0 | 0 | 0 | 5 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 8 | 0 | 6 | 0 | 0 | 4 | 2 | 3 |
| November | 1 | 1 | 0 | 0 | 0 | 0 | 5 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 5 | 0 | 2 | 0 | 0 | 2 | 2 | 5 |
| December | 1 | 0 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 55 | 0 | 1 | 2 | 0 | 2 | 0 | 0 | 9 | 1 | 2 |