| Value | Category | Cases | |
|---|---|---|---|
| 0 | 10 |
6.4%
|
|
| 1 | 121 |
77.6%
|
|
| 2 | 20 |
12.8%
|
|
| 3 | 3 |
1.9%
|
|
| 98 | 2 |
1.3%
|
|
| Sysmiss | 53 |