Grijze voetenzakken
28%
43%
10%
14%
12%
21%
5%
47%
5%
28%
28%
33%
33%
6%
24%
13%
33%
8%
18%
39%
16%
14%
25%
30%
6%
15%
6%
19%
28%
3%
3%
10%