| Valor | Categoría | Casos | |
|---|---|---|---|
| 1 | 2 |
0.5%
|
|
| 2 | 2 |
0.5%
|
|
| 3 | 13 |
3.2%
|
|
| 4 | 73 |
17.8%
|
|
| 5 | 320 |
78%
|
|
| Sysmiss | 21 |