| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not helpful | 1 |
0.1%
|
| 2 | A little helpful | 1 |
0.1%
|
| 3 | Somewhat helpful | 3 |
0.2%
|
| 4 | Helpful | 31 |
2.1%
|
| 5 | Very helpful | 48 |
3.3%
|
| 9 | No teacher t/book | 1377 |
94.3%
|
| Sysmiss | 291 |