| Value | Category | Cases | |
|---|---|---|---|
| -97 | Don't know | 36 |
13%
|
| 1 | 0.5 meter | 98 |
35.4%
|
| 2 | 1 meter | 125 |
45.1%
|
| 3 | 2 meters | 16 |
5.8%
|
| 4 | 2.5 meters | 2 |
0.7%
|
| a | Not applicable | 0 | |
| b | Don't know | 0 | |
| c | Refused to respond | 0 |