| Value | Category | Cases | |
|---|---|---|---|
| 1 | <5 | 4 |
100%
|
| 2 | 5 to 10 | 0 |
0%
|
| 3 | >10 | 0 |
0%
|
| 5 | Refused to answer | 0 |
0%
|
| 8 | Unknown | 0 |
0%
|
| 9 | Missing | 31 | |
| Sysmiss | 24245 |