| Value | Category | Cases | |
|---|---|---|---|
| 0 | 462 |
31.2%
|
|
| 1 | 764 |
51.6%
|
|
| 2 | 191 |
12.9%
|
|
| 3 | 23 |
1.6%
|
|
| 7 | 13 |
0.9%
|
|
| 666 | 21 |
1.4%
|
|
| 999 | 6 |
0.4%
|
|
| Sysmiss | 90 |