| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 539 |
22.8%
|
| 1 | Occasionally | 1329 |
56.2%
|
| 2 | Frequently | 490 |
20.7%
|
| 9 | Don't know | 5 |
0.2%
|
| 998 | Refused | 0 |
0%
|