| Value | Category | Cases | |
|---|---|---|---|
| 0 | 211 |
80.2%
|
|
| 1 | 45 |
17.1%
|
|
| 2 | 6 |
2.3%
|
|
| 3 | 1 |
0.4%
|
|
| Sysmiss | 47 |