| 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 | 18 | 0 | 0 | 0 | 10 | 0 | 0 | 550 | 1 | 8 | 1 | 0 | 1 | 0 | 0 | 2 | 0 | 1 |
| February | 0 | 0 | 0 | 0 | 9 | 1 | 2 | 1 | 14 | 1 | 0 | 648 | 10 | 189 | 3 | 5 | 3 | 2 | 6 | 20 | 2 | 2 |
| March | 4 | 2 | 7 | 0 | 6 | 3 | 2 | 1 | 1 | 3 | 0 | 45 | 17 | 115 | 55 | 129 | 19 | 4 | 27 | 9 | 6 | 7 |
| April | 24 | 5 | 12 | 0 | 1 | 2 | 0 | 7 | 1 | 5 | 0 | 8 | 15 | 1 | 75 | 14 | 362 | 5 | 4 | 8 | 6 | 7 |
| May | 206 | 283 | 4 | 0 | 0 | 1 | 0 | 7 | 1 | 23 | 0 | 0 | 5 | 0 | 2.736 | 0 | 1.770 | 76 | 0 | 9 | 10 | 7 |
| June | 132 | 153 | 1 | 1 | 0 | 1 | 0 | 9 | 1 | 8 | 1 | 0 | 3 | 1 | 580 | 1 | 175 | 48 | 0 | 27 | 18 | 4 |
| July | 94 | 4 | 1 | 3 | 0 | 1 | 1 | 8 | 0 | 1 | 1 | 0 | 0 | 0 | 8 | 0 | 45 | 8 | 0 | 10 | 6 | 3 |
| August | 6 | 4 | 1 | 1 | 0 | 0 | 1 | 4 | 1 | 1 | 0 | 1 | 0 | 1 | 5 | 0 | 23 | 2 | 0 | 3 | 6 | 1 |
| September | 5 | 10 | 1 | 2 | 0 | 0 | 3 | 3 | 0 | 1 | 1 | 0 | 0 | 0 | 5 | 0 | 10 | 1 | 0 | 4 | 2 | 2 |
| October | 2 | 3 | 1 | 1 | 0 | 0 | 4 | 2 | 0 | 0 | 1 | 0 | 2 | 0 | 10 | 0 | 12 | 1 | 0 | 2 | 1 | 1 |
| November | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 6 | 1 | 0 | 2 | 0 | 0 |
| December | 1 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 106 | 0 | 2 | 2 | 0 | 5 | 1 | 0 | 2 | 0 | 8 |