| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
0.3%
|
|
| 1 | 96 |
4.4%
|
|
| 2 | 222 |
10.1%
|
|
| 3 | 142 |
6.5%
|
|
| 4 | 610 |
27.8%
|
|
| 5 | 120 |
5.5%
|
|
| 6 | 211 |
9.6%
|
|
| 7 | 414 |
18.9%
|
|
| 8 | 327 |
14.9%
|
|
| 98 | Never attended school | 43 |
2%
|
| Sysmiss | 7520 |