| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 572 |
47.7%
|
| 1 | Just once or twice | 153 |
12.8%
|
| 2 | Several times | 190 |
15.8%
|
| 3 | Many times | 144 |
12%
|
| 4 | Always | 140 |
11.7%
|
| 9 | Don't Know | 1 |
0.1%
|
| 998 | Refused | 0 |
0%
|