| Value | Category | Cases | |
|---|---|---|---|
| -1 | 796 |
10.4%
|
|
| 0 | Never | 6316 |
82.8%
|
| 1 | Yes, daily | 220 |
2.9%
|
| 2 | Yes, Weekly | 138 |
1.8%
|
| 3 | Yes, occasionally | 161 |
2.1%
|
| Sysmiss | 7246 |