| Value | Category | Cases | |
|---|---|---|---|
| 1 | a | 529 |
12.1%
|
| 2 | b | 2076 |
47.5%
|
| 3 | c | 478 |
10.9%
|
| 4 | d | 470 |
10.8%
|
| 5 | e | 354 |
8.1%
|
| 6 | f | 462 |
10.6%
|
| 11 | .R | 220 | |
| Sysmiss | 28 |