| Value | Category | Cases | |
|---|---|---|---|
| 0 | 171 |
81%
|
|
| 1 | 25 |
11.8%
|
|
| 2 | 10 |
4.7%
|
|
| 3 | 2 |
0.9%
|
|
| 4 | 2 |
0.9%
|
|
| 8 | 1 |
0.5%
|
|
| Sysmiss | 260 |