| Value | Category | Cases | |
|---|---|---|---|
| 0 | 172 |
85.6%
|
|
| 1 | 16 |
8%
|
|
| 2 | 5 |
2.5%
|
|
| 3 | 2 |
1%
|
|
| 4 | 3 |
1.5%
|
|
| 5 | 2 |
1%
|
|
| 6 | 1 |
0.5%
|
|
| Sysmiss | 74 |