| Value | Category | Cases | |
|---|---|---|---|
| 1 | a | 507 |
11.6%
|
| 2 | b | 566 |
13%
|
| 3 | c | 1460 |
33.4%
|
| 4 | d | 385 |
8.8%
|
| 5 | e | 470 |
10.8%
|
| 6 | f | 982 |
22.5%
|
| 11 | .R | 219 | |
| Sysmiss | 28 |