| Value | Category | Cases | |
|---|---|---|---|
| 0 | 229 |
62.2%
|
|
| 1 | 96 |
26.1%
|
|
| 2 | 35 |
9.5%
|
|
| 3 | 5 |
1.4%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 2 |
0.5%
|
|
| Sysmiss | 6814 |