| Value | Category | Cases | |
|---|---|---|---|
| 0 | 333 |
22.2%
|
|
| 1 | 565 |
37.6%
|
|
| 2 | 402 |
26.7%
|
|
| 3 | 79 |
5.3%
|
|
| 7 | 78 |
5.2%
|
|
| 8 | 16 |
1.1%
|
|
| 999 | 30 |
2%
|
|
| Sysmiss | 92 |