| Value | Category | Cases | |
|---|---|---|---|
| 0 | 248 |
64.8%
|
|
| 1 | 45 |
11.7%
|
|
| 2 | 37 |
9.7%
|
|
| 3 | 23 |
6%
|
|
| 4 | 13 |
3.4%
|
|
| 5 | 12 |
3.1%
|
|
| 6 | 3 |
0.8%
|
|
| 7 | 1 |
0.3%
|
|
| 12 | 1 |
0.3%
|
|
| Sysmiss | 38 |