Samples analysed by IZSLER (number of head)
Survey date 2021 2022 2023
January
7.454
7.285
6.949
February
4.142
7.374
7.036
March
7.568
7.249
7.016
April
7.590
7.171
6.972
May
7.435
7.815
7.192
June
7.398
7.047
6.843
July
7.415
6.839
7.691
August
7.312
6.799
7.513
September
7.314
7.069
7.612
October
7.447
6.964
7.933
November
7.386
7.075
7.640
December
7.122
7.099
7.553