| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 7 |
0%
|
| 0 | Never | 10633 |
41.9%
|
| 1 | Just once or twice | 6661 |
26.2%
|
| 2 | Many times | 6103 |
24%
|
| 3 | Always | 1826 |
7.2%
|
| 9 | Don't Know | 167 |
0.7%
|
| 998 | Refused | 0 |
0%
|