| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1236 |
51.5%
|
| 1 | Just once or twice | 301 |
12.5%
|
| 2 | Several times | 365 |
15.2%
|
| 3 | Many times | 282 |
11.8%
|
| 4 | Always | 215 |
9%
|
| 9 | Don't Know | 1 |
0%
|
| 998 | Refused | 0 |
0%
|