| Value | Category | Cases | |
|---|---|---|---|
| 0 | 137 |
70.3%
|
|
| 1 | 38 |
19.5%
|
|
| 2 | 11 |
5.6%
|
|
| 3 | 2 |
1%
|
|
| 4 | 4 |
2.1%
|
|
| 6 | 1 |
0.5%
|
|
| 10 | 2 |
1%
|
|
| Sysmiss | 5 |