| Value | Category | Cases | |
|---|---|---|---|
| 0 | 546 |
69.6%
|
|
| 1 | 150 |
19.1%
|
|
| 2 | 61 |
7.8%
|
|
| 3 | 18 |
2.3%
|
|
| 4 | 6 |
0.8%
|
|
| 5 | 3 |
0.4%
|
|
| 6 | 1 |
0.1%
|
|
| Sysmiss | 458 |