| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1057 |
84.2%
|
| 1 | Just once or twice | 141 |
11.2%
|
| 2 | Several times | 35 |
2.8%
|
| 3 | Many times | 23 |
1.8%
|
| 4 | Always | 0 |
0%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|