| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. lots of books and clearly used | 319 |
45.4%
|
| 2 | 2. lots of books but not clearly used (e.g. covered in dust) | 266 |
37.9%
|
| 3 | 3. lack of books, few books, or dated books | 101 |
14.4%
|
| 4 | 4. no books at all | 16 |
2.3%
|
| 99 | 99. other | 0 |
0%
|
| Sysmiss | 3836 |