| 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 | 1 | 0 | 0 | 32 | 0 | 0 | 0 | 1 | 0 | 0 | 22 | 0 | 1 | 2 | 2 | 1 | 1 | 0 | 2 | 0 | 4 |
| February | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 0 | 1 | 1 | 0 | 142 | 0 | 131 | 2 | 208 | 12 | 4 | 1 | 7 | 0 | 13 |
| March | 3 | 0 | 4 | 0 | 1 | 86 | 1 | 1 | 2 | 5 | 0 | 18 | 182 | 2 | 33 | 118 | 84 | 4 | 9 | 45 | 7 | 30 |
| April | 76 | 6 | 5 | 0 | 1 | 9 | 0 | 1 | 0 | 4 | 2 | 5 | 138 | 1 | 13 | 10 | 525 | 5 | 6 | 12 | 7 | 46 |
| May | 115 | 582 | 1 | 1 | 1 | 9 | 0 | 15 | 0 | 29 | 0 | 0 | 6 | 0 | 126 | 0 | 1.280 | 26 | 3 | 10 | 18 | 49 |
| June | 29 | 276 | 0 | 4 | 0 | 1 | 0 | 10 | 0 | 8 | 1 | 0 | 0 | 0 | 118 | 0 | 121 | 13 | 3 | 9 | 15 | 22 |
| July | 16 | 5 | 0 | 1 | 0 | 0 | 1 | 6 | 1 | 1 | 1 | 0 | 2 | 0 | 6 | 0 | 13 | 2 | 0 | 4 | 11 | 12 |
| August | 2 | 3 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 4 | 1 | 5 | 1 | 1 | 2 | 2 | 7 |
| September | 5 | 4 | 0 | 1 | 1 | 0 | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 5 | 1 | 0 | 2 | 1 | 4 |
| October | 1 | 4 | 0 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 2 | 0 | 0 | 5 | 0 | 3 | 0 | 0 | 4 | 9 | 5 |
| November | 1 | 1 | 0 | 0 | 0 | 0 | 3 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 10 | 0 | 8 | 0 | 0 | 3 | 1 | 4 |
| December | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 31 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 5 | 0 | 2 |