| Value | Category | Cases | |
|---|---|---|---|
| 0 | 67 |
3.7%
|
|
| 1 | 100 |
5.5%
|
|
| 2 | 265 |
14.6%
|
|
| 3 | 357 |
19.6%
|
|
| 4 | 1006 |
55.2%
|
|
| 999 | 26 |
1.4%
|
|
| Sysmiss | 1 |