| Value | Category | Cases | |
|---|---|---|---|
| 1 | 285 |
67.7%
|
|
| 2 | 100 |
23.8%
|
|
| 3 | 30 |
7.1%
|
|
| 4 | 6 |
1.4%
|
|
| Sysmiss | 1999 |