| Value | Category | Cases | |
|---|---|---|---|
| 0 | 221 |
14.7%
|
|
| 1 | 786 |
52.3%
|
|
| 2 | 410 |
27.3%
|
|
| 3 | 57 |
3.8%
|
|
| 7 | 18 |
1.2%
|
|
| 8 | 2 |
0.1%
|
|
| 999 | 9 |
0.6%
|
|
| Sysmiss | 92 |