| Value | Category | Cases | |
|---|---|---|---|
| -97 | Don't know | 14 |
5.1%
|
| 1 | 0.5 meter | 92 |
33.6%
|
| 2 | 1 meter | 160 |
58.4%
|
| 3 | 2 meters | 6 |
2.2%
|
| 4 | 2.5 meters | 2 |
0.7%
|
| a | Not applicable | 0 | |
| b | Don't know | 0 | |
| c | Refused to respond | 0 |