| Year | Season | Pollens | Families and genera | New families and genera | No appearing families and genera | |
| Grains | % | |||||
| 1977-1978 | Spring | 9639 | 52.13 | 22 |
|
|
|
| Autumn | 7995 | 41.67 | 8 |
|
|
|
| Total | 18,491 | 100 | 30 |
|
|
| 2008-2009 | Spring | 7163 | 41.62 | 30 | 9 | 1 |
|
| Autumn | 8458 | 49.20 | 20 | 15 | 3 |
|
| Total | 17,192 | 100 | 50 | 24 | 4 |