| Value | Category | Cases | |
|---|---|---|---|
| 1 | 474 |
4.8%
|
|
| 2 | 1264 |
12.9%
|
|
| 3 | 2509 |
25.6%
|
|
| 4 | 5529 |
56.4%
|
|
| 9 | 34 |
0.3%
|
|
| Sysmiss | 5541 |