Groene buiten vloerkelden
62%
47%
49%
50%
24%
37%
52%
13%
34%
54%
28%
86%
13%
42%
44%
18%
32%
40%
35%
32%
50%
88%
49%
53%
88%
37%
90%
88%
86%
87%
30%
55%
63%
30%
44%
47%
40%
24%
45%
40%
28%
86%