| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 |
1.5%
|
|
| 2 | 28 |
13.9%
|
|
| 3 | 22 |
10.9%
|
|
| 4 | 29 |
14.4%
|
|
| 5 | 45 |
22.3%
|
|
| 6 | 61 |
30.2%
|
|
| 7 | 14 |
6.9%
|
|
| Sysmiss | 1598 |