| Value | Category | Cases | |
|---|---|---|---|
| 1 | DAILY | 17 |
0.2%
|
| 2 | LESS THAN DAILY | 112 |
1.5%
|
| 3 | NOT AT ALL | 7397 |
98.3%
|
| 9 | REFUSED | 0 |
0%
|
| Sysmiss | 11850 |