| Value | Category | Cases | |
|---|---|---|---|
| 1 | a | 450 |
10.3%
|
| 2 | b | 721 |
16.5%
|
| 3 | c | 561 |
12.8%
|
| 4 | d | 1231 |
28.1%
|
| 5 | e | 628 |
14.4%
|
| 6 | f | 784 |
17.9%
|
| 11 | .R | 214 | |
| Sysmiss | 28 |