| Value | Category | Cases | |
|---|---|---|---|
| 0 | 658 |
68.2%
|
|
| 1 | 246 |
25.5%
|
|
| 2 | 43 |
4.5%
|
|
| 3 | 13 |
1.3%
|
|
| 4 | 3 |
0.3%
|
|
| 5 | 2 |
0.2%
|
|
| Sysmiss | 6631 |