| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1980 |
2.6%
|
|
| 2 | 4507 |
5.9%
|
|
| 3 | 13145 |
17.2%
|
|
| 4 | 18649 |
24.4%
|
|
| 5 | 14812 |
19.3%
|
|
| 9 | No informa | 23471 |
30.7%
|
| Sysmiss | 33719 |