| Value | Category | Cases | |
|---|---|---|---|
| 1 | a.Never (0 times) | 1440 |
6%
|
| 2 | b. Rarely (1–2 times) | 1586 |
6.6%
|
| 3 | c. Sometimes (3–10 times) | 1012 |
4.2%
|
| 4 | d. Often (11-20 times) | 226 |
0.9%
|
| 5 | e. Always (more than 20 times) | 149 |
0.6%
|
| 6 | f. Don’t know | 390 |
1.6%
|
| Missing value | 19151 |
79.9%
|