| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
20%
|
|
| 1 | 1 |
20%
|
|
| 2 | 1 |
20%
|
|
| 3 | 2 |
40%
|
|
| 95 | 95. do not receive homework | 0 |
0%
|
| 99 | 99. Don't Know | 0 |
0%
|
| 2147483622 | .a. Don't Know | 0 |
0%
|
| 2147483623 | .b. Refused | 0 |
0%
|
| 2147483624 | .c. Invalid skip | 0 |
0%
|
| 2147483627 | .f. Not applicable | 0 |
0%
|
| Sysmiss | 94 |