| Value | Category | Cases | |
|---|---|---|---|
| 1 | 21 |
8.4%
|
|
| 2 | 178 |
70.9%
|
|
| 3 | 47 |
18.7%
|
|
| 4 | 4 |
1.6%
|
|
| 9 | 1 |
0.4%
|
|
| Sysmiss | 52 |