| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 978 |
40.9%
|
| 1 | Just once or twice | 430 |
18%
|
| 2 | Several times | 420 |
17.6%
|
| 3 | Many times | 253 |
10.6%
|
| 4 | Always | 307 |
12.8%
|
| 9 | Don't Know | 2 |
0.1%
|
| 98 | Refused | 0 |
0%
|