| Value | Category | Cases | |
|---|---|---|---|
| 1 | 20 |
6.5%
|
|
| 2 | 147 |
47.7%
|
|
| 3 | 90 |
29.2%
|
|
| 4 | 38 |
12.3%
|
|
| 6 | 12 |
3.9%
|
|
| 7 | 1 |
0.3%
|
|
| Sysmiss | 4 |