| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 1 |
0.3%
|
| 2 | 2 | 2 |
0.5%
|
| 3 | 3 | 9 |
2.5%
|
| 4 | 4 | 85 |
23.3%
|
| 5 | 5 | 268 |
73.4%
|
| Sysmiss | 66 |