| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 1014 |
42.9%
|
| 1 | Just once or twice | 486 |
20.6%
|
| 2 | Several times | 494 |
20.9%
|
| 3 | Many times | 248 |
10.5%
|
| 4 | Always | 115 |
4.9%
|
| 9 | Don't Know | 6 |
0.3%
|
| 998 | Refused | 0 |
0%
|