| Value | Category | Cases | |
|---|---|---|---|
| 0 | NONE | 9593 |
94.5%
|
| 1 | 157 |
1.5%
|
|
| 2 | 71 |
0.7%
|
|
| 3 | 32 |
0.3%
|
|
| 4 | 16 |
0.2%
|
|
| 5 | 19 |
0.2%
|
|
| 6 | 7 |
0.1%
|
|
| 7 | 1 |
0%
|
|
| 9 | 1 |
0%
|
|
| 10 | TEN OR MORE BOOKS | 10 |
0.1%
|
| Sysmiss | 249 |
2.5%
|