| Value | Category | Cases | |
|---|---|---|---|
| 1 | DAILY | 62 |
0.7%
|
| 2 | LESS THAN DAILY | 256 |
3%
|
| 3 | NOT AT ALL | 8286 |
96.3%
|
| 9 | REFUSED | 0 |
0%
|
| Sysmiss | 2854 |