| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 427 |
17.7%
|
| 1 | Occasionally | 1357 |
56.3%
|
| 2 | Frequently | 603 |
25%
|
| 9 | Don't know | 23 |
1%
|
| 998 | Refused | 0 |
0%
|