| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1006 |
41.7%
|
| 1 | Just once or twice | 367 |
15.2%
|
| 2 | Several times | 667 |
27.7%
|
| 3 | Many times | 236 |
9.8%
|
| 4 | Always | 130 |
5.4%
|
| 9 | Don't Know | 4 |
0.2%
|
| 998 | Refused | 0 |
0%
|