| 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 | 36 | 0 | 0 | 0 | 1 | 0 | 0 | 17 | 0 | 4 | 1 | 0 | 1 | 0 | 0 | 3 | 1 | 1 |
| February | 0 | 0 | 0 | 0 | 12 | 1 | 1 | 0 | 1 | 0 | 0 | 82 | 0 | 1.037 | 11 | 337 | 4 | 0 | 5 | 20 | 3 | 7 |
| March | 3 | 0 | 2 | 0 | 1 | 25 | 0 | 3 | 0 | 8 | 0 | 4 | 1.350 | 5 | 381 | 162 | 23 | 5 | 17 | 51 | 13 | 24 |
| April | 34 | 7 | 10 | 0 | 0 | 16 | 0 | 2 | 0 | 6 | 1 | 2 | 824 | 4 | 143 | 16 | 495 | 6 | 13 | 34 | 13 | 9 |
| May | 85 | 706 | 3 | 4 | 0 | 3 | 1 | 8 | 0 | 28 | 1 | 0 | 6 | 1 | 125 | 1 | 966 | 24 | 1 | 32 | 32 | 22 |
| June | 20 | 323 | 1 | 35 | 0 | 0 | 0 | 6 | 0 | 13 | 1 | 0 | 1 | 0 | 364 | 0 | 99 | 9 | 0 | 26 | 19 | 10 |
| July | 6 | 2 | 0 | 10 | 1 | 0 | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 9 | 1 | 0 | 8 | 5 | 3 |
| August | 3 | 4 | 0 | 5 | 0 | 0 | 1 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 5 | 1 | 0 | 7 | 6 | 2 |
| September | 2 | 2 | 0 | 1 | 0 | 0 | 2 | 2 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 4 | 0 | 0 | 3 | 2 | 1 |
| October | 1 | 1 | 0 | 0 | 0 | 0 | 4 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 8 | 0 | 5 | 1 | 0 | 8 | 2 | 1 |
| November | 1 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 8 | 1 | 1 |
| December | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 18 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 7 | 2 | 1 |