| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 728 |
55.8%
|
| 1 | Just once or twice | 418 |
32.1%
|
| 2 | Many times | 150 |
11.5%
|
| 3 | Always | 5 |
0.4%
|
| 9 | Don't Know | 3 |
0.2%
|
| 998 | Refused | 0 |
0%
|