| Value | Category | Cases | |
|---|---|---|---|
| 1 | General purpose | 1406 |
71.5%
|
| 2 | Instructional materials | 165 |
8.4%
|
| 3 | Not specified | 204 |
10.4%
|
| 9 | Other (specify) | 0 |
0%
|
| 99 | NA | 192 |
9.8%
|