| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -888 | Not available | 1 |
0%
|
| 1 | Rarely (1 – 2 days) | 2275 |
38%
|
| 2 | Sometimes (3 – 10 days) | 1299 |
21.7%
|
| 3 | Often (More than 10 days) | 183 |
3.1%
|
| 4 | Never | 2221 |
37.1%
|