| Value | Category | Cases | |
|---|---|---|---|
| 1 | No books | 853 |
30.2%
|
| 2 | 1-5 books | 1562 |
55.3%
|
| 3 | 6-10 books | 292 |
10.3%
|
| 4 | 11-25 books | 66 |
2.3%
|
| 5 | >25 books | 50 |
1.8%
|
| Sysmiss | 504 |