| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 623 |
51.9%
|
| 1 | Just once or twice | 176 |
14.7%
|
| 2 | Several times | 129 |
10.8%
|
| 3 | Many times | 155 |
12.9%
|
| 4 | Always | 115 |
9.6%
|
| 8 | Refused | 1 |
0.1%
|
| 9 | Don't Know | 1 |
0.1%
|