| Value | Category | Cases | |
|---|---|---|---|
| -99 | Refuse to answer | 0 |
0%
|
| -88 | No answer | 0 |
0%
|
| -77 | Not applicable | 0 |
0%
|
| -66 | Don't know | 0 |
0%
|
| 1 | None | 0 |
0%
|
| 2 | One | 0 |
0%
|
| 3 | Two to five | 0 |
0%
|
| 4 | More than five | 250 |
100%
|