German or Swiss German
French or Patois
Italian or Ticino/Graubünden dialect
Romansh
Other languages
23
2017
20
40
60
80
100
66
1970
18
11
1
4
66
1980
19
10
1
6
65
1990
20
8
1
8
64
2000
20
7
1
9
64
2010
23
8
1
19
63
2017
23
8
1
23
In 2010 and 2017 more than one language could be given, bringing the total to over 100%
