| Value | Category | Cases | |
|---|---|---|---|
| 1 | 41 |
2.4%
|
|
| 2 | 170 |
9.9%
|
|
| 3 | 260 |
15.1%
|
|
| 4 | 298 |
17.3%
|
|
| 5 | 305 |
17.7%
|
|
| 6 | 424 |
24.7%
|
|
| 7 | 215 |
12.5%
|
|
| 9 | not applicable | 6 |
0.3%
|
| Sysmiss | 436 |