| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1493 |
62%
|
| 1 | Just once or twice | 118 |
4.9%
|
| 2 | Several times | 238 |
9.9%
|
| 3 | Many times | 352 |
14.6%
|
| 4 | Always | 205 |
8.5%
|
| 9 | Don't Know | 1 |
0%
|
| 998 | Refused | 0 |
0%
|