| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
3.6%
|
|
| 1 | 1 |
1.8%
|
|
| 2 | 47 |
83.9%
|
|
| 3 | 4 |
7.1%
|
|
| 5 | 1 |
1.8%
|
|
| 9 | 1 |
1.8%
|
|
| Sysmiss | 1601 |