| Value | Category | Cases | |
|---|---|---|---|
| 0 | NONE | 2713 |
51.2%
|
| 1 | 119 |
2.2%
|
|
| 2 | 118 |
2.2%
|
|
| 3 | 53 |
1%
|
|
| 4 | 25 |
0.5%
|
|
| 5 | 45 |
0.8%
|
|
| 6 | 12 |
0.2%
|
|
| 7 | 3 |
0.1%
|
|
| 8 | 3 |
0.1%
|
|
| 10 | TEN OR MORE BOOKS | 32 |
0.6%
|
| Sysmiss | 2178 |
41.1%
|