| Value | Category | Cases | |
|---|---|---|---|
| 1 | 647 |
61.8%
|
|
| 2 | 13 |
1.2%
|
|
| 3 | 337 |
32.2%
|
|
| 4 | 26 |
2.5%
|
|
| 888 | 1 |
0.1%
|
|
| 999 | 23 |
2.2%
|
|
| Sysmiss | 648 |