| Value | Category | Cases | |
|---|---|---|---|
| 0 | 43 |
27%
|
|
| 1 | 111 |
69.8%
|
|
| 2 | 3 |
1.9%
|
|
| 4 | 1 |
0.6%
|
|
| 9 | 1 |
0.6%
|
|
| Sysmiss | 184 |