| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 717 |
30.1%
|
| 2 | Small number of books, dated | 551 |
23.2%
|
| 3 | Quite a few books, but disorganised | 373 |
15.7%
|
| 4 | Well stocked, neatly organised | 739 |
31.1%
|
| Sysmiss | 947 |