| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
1.6%
|
|
| 2 | 3 |
4.9%
|
|
| 3 | 2 |
3.3%
|
|
| 4 | 2 |
3.3%
|
|
| 5 | 28 |
45.9%
|
|
| 6 | 5 |
8.2%
|
|
| 7 | 20 |
32.8%
|
|
| Sysmiss | 316 |