| Value | Category | Cases | |
|---|---|---|---|
| 1 | a | 241 |
5.5%
|
| 2 | b | 401 |
9.2%
|
| 3 | c | 314 |
7.2%
|
| 4 | d | 281 |
6.4%
|
| 5 | e | 2997 |
68.5%
|
| 6 | f | 143 |
3.3%
|
| 11 | .R | 212 | |
| Sysmiss | 28 |