Table 3.

Occurrence of foxes with mange-like lesions based on a multi-year questionnaire survey in Switzerland. Percentage (%) followed, in parentheses, by the number of districts of surveillance, cantons and subregions reporting red foxes (Vulpes vulpes) with mange-like lesions/number of responding districts of surveillance, cantons and subregions

	< 1980	1980–1990	1991–1995	1996–2000	2001–2003	2004–2006	2007–2009	2010–2012	2017
Districts of surveillance	22 (36/162)	16 (26/162)	10 (17/162)	27 (44/162)	18 (157/884)	26 (169/653)	37 (258/691)	50 (471/933)	75 (171/227)
Cantons	58 (14/24)	33 (8/24)	17 (4/24)	50 (12/24)	50 (13/26)	58 (14/24)	68 (17/25)	91 (21/23)	96 (25/26)
Subregions	100 (10/10)	80 (8/10)	60 (6/10)	81 (9/11)	72 (8/11)	81 (9/11)	100 (11/11)	100 (11/11)	100 (11/11)