| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1.Visible in classroom | 670 |
54.1%
|
| 2 | 2.In classroom, not visible | 71 |
5.7%
|
| 3 | 3.Not in classroom but available | 243 |
19.6%
|
| 4 | 4.Not available | 255 |
20.6%
|
| 5 | 5.Missing | 0 |
0%
|
| 6 | 6.Others | 0 |
0%
|