| Value | Category | Cases | |
|---|---|---|---|
| 0 | 812 |
18.6%
|
|
| 1 | 2314 |
52.9%
|
|
| 2 | 1053 |
24.1%
|
|
| 3 | 97 |
2.2%
|
|
| 7 | 49 |
1.1%
|
|
| 8 | 2 |
0%
|
|
| 999 | 44 |
1%
|
|
| Sysmiss | 90 |