| Value | Category | Cases | |
|---|---|---|---|
| 1 | 7 - 10 | 5570 |
35.1%
|
| 2 | 11 - 13 | 3935 |
24.8%
|
| 3 | 14 - 15 | 2710 |
17.1%
|
| 4 | 16 - 18 | 3669 |
23.1%
|
| Sysmiss | 27945 |