Table 6. Monthly occurrence of cases.

Number of cases of fatal pharyngeal entrapment of fish in harbour porpoises from the German North Sea from 1990–2019 listed per month and the percentage of the total number of cases with known stranding date ( n = 41).

	Number of cases	Percentage per month (%)
January	1	2,4
February	0	0
March	0	0
April	9	21,9
May	14	34,1
June	6	14,6
July	5	12,2
August	3	7,3
September	3	7,3
October	0	0
November	0	0
December	0	0