| Value | Category | Cases | |
|---|---|---|---|
| 0 | NONE | 7656 |
86%
|
| 1 | 315 |
3.5%
|
|
| 2 | 321 |
3.6%
|
|
| 3 | 167 |
1.9%
|
|
| 4 | 124 |
1.4%
|
|
| 5 | 106 |
1.2%
|
|
| 6 | 41 |
0.5%
|
|
| 7 | 17 |
0.2%
|
|
| 8 | 19 |
0.2%
|
|
| 9 | 3 |
0%
|
|
| 10 | TEN OR MORE BOOKS | 111 |
1.2%
|
| Sysmiss | 23 |
0.3%
|