| Value | Category | Cases | |
|---|---|---|---|
| 0 | 206 |
89.6%
|
|
| 1 | 17 |
7.4%
|
|
| 2 | 3 |
1.3%
|
|
| 3 | 3 |
1.3%
|
|
| 4 | 1 |
0.4%
|
|
| Sysmiss | 1 |