| 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 | 37 | 0 | 0 | 0 | 1 | 0 | 0 | 147 | 0 | 372 | 3 | 0 | 1 | 0 | 0 | 4 | 1 | 1 |
| February | 0 | 0 | 0 | 0 | 14 | 3 | 0 | 1 | 3 | 0 | 0 | 31 | 0 | 201 | 2 | 170 | 1 | 0 | 5 | 20 | 1 | 4 |
| March | 0 | 0 | 2 | 0 | 2 | 19 | 0 | 1 | 0 | 1 | 0 | 14 | 849 | 23 | 78 | 126 | 4 | 1 | 3 | 27 | 4 | 4 |
| April | 28 | 2 | 22 | 0 | 0 | 47 | 0 | 2 | 0 | 2 | 0 | 0 | 2.088 | 1 | 501 | 32 | 290 | 2 | 6 | 30 | 17 | 13 |
| May | 58 | 284 | 15 | 2 | 0 | 4 | 0 | 16 | 0 | 4 | 1 | 0 | 170 | 0 | 179 | 0 | 1.009 | 18 | 6 | 84 | 35 | 22 |
| June | 12 | 59 | 0 | 8 | 1 | 1 | 0 | 8 | 0 | 3 | 0 | 0 | 1 | 0 | 70 | 0 | 106 | 4 | 1 | 16 | 25 | 5 |
| July | 3 | 6 | 0 | 4 | 0 | 0 | 1 | 2 | 0 | 1 | 1 | 0 | 0 | 0 | 18 | 0 | 25 | 1 | 0 | 10 | 3 | 2 |
| August | 1 | 2 | 0 | 1 | 1 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 0 | 9 | 0 | 0 | 3 | 3 | 2 |
| September | 2 | 1 | 0 | 2 | 0 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 12 | 0 | 1 | 4 | 2 | 2 |
| October | 1 | 1 | 0 | 1 | 0 | 0 | 2 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 12 | 0 | 0 | 3 | 5 | 1 |
| November | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 5 | 0 | 4 | 0 | 0 | 9 | 2 | 1 |
| December | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 13 | 0 | 1 | 1 | 0 | 3 | 0 | 0 | 11 | 1 | 1 |