| Value | Category | Cases | |
|---|---|---|---|
| 0 | NONE | 7246 |
49.3%
|
| 1 | 209 |
1.4%
|
|
| 2 | 233 |
1.6%
|
|
| 3 | 160 |
1.1%
|
|
| 4 | 79 |
0.5%
|
|
| 5 | 156 |
1.1%
|
|
| 6 | 75 |
0.5%
|
|
| 7 | 57 |
0.4%
|
|
| 8 | 60 |
0.4%
|
|
| 9 | 10 |
0.1%
|
|
| 10 | TEN OR MORE BOOKS | 212 |
1.4%
|
| Sysmiss | 6193 |
42.2%
|