| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 522 |
40.8%
|
| 1 | Just once or twice | 253 |
19.8%
|
| 2 | Several times | 250 |
19.6%
|
| 3 | Many times | 149 |
11.7%
|
| 4 | Always | 104 |
8.1%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|