| Value | Category | Cases | |
|---|---|---|---|
| 1 | a | 359 |
8.2%
|
| 2 | b | 1517 |
34.7%
|
| 3 | c | 1698 |
38.8%
|
| 4 | d | 333 |
7.6%
|
| 5 | e | 311 |
7.1%
|
| 6 | f | 155 |
3.5%
|
| 11 | .R | 216 | |
| Sysmiss | 28 |