| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 711 |
59.3%
|
| 1 | Just once or twice | 95 |
7.9%
|
| 2 | Several times | 223 |
18.6%
|
| 3 | Many times | 119 |
9.9%
|
| 4 | Always | 47 |
3.9%
|
| 9 | Don't Know | 5 |
0.4%
|
| 998 | Refused | 0 |
0%
|