| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 |
12.8%
|
|
| 1 | 20 |
51.3%
|
|
| 2 | 7 |
17.9%
|
|
| 3 | 4 |
10.3%
|
|
| 4 | 1 |
2.6%
|
|
| 7 | 2 |
5.1%
|
|
| Sysmiss | 6918 |