| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.1%
|
| 0 | Never | 1118 |
46.6%
|
| 1 | Just once or twice | 359 |
15%
|
| 2 | Several times | 447 |
18.6%
|
| 3 | Many times | 323 |
13.5%
|
| 4 | Always | 134 |
5.6%
|
| 9 | Don't Know | 16 |
0.7%
|
| 998 | Refused | 0 |
0%
|