| Value | Category | Cases | |
|---|---|---|---|
| 0 | 27 |
6.7%
|
|
| 2 | 140 |
34.7%
|
|
| 3 | 18 |
4.5%
|
|
| 4 | 64 |
15.9%
|
|
| 6 | 154 |
38.2%
|
|
| Sysmiss | 8172 |