| Value | Category | Cases | |
|---|---|---|---|
| -9 | REFUSED | 0 |
0%
|
| -7 | DON'T KNOW | 9 |
0.2%
|
| 1 | DAILY | 25 |
0.7%
|
| 2 | LESS THAN DAILY | 54 |
1.4%
|
| 3 | NOT AT ALL | 3661 |
97.7%
|
| Sysmiss | 4262 |