| Value | Category | Cases | |
|---|---|---|---|
| 0 | 505 |
75.4%
|
|
| 1 | 55 |
8.2%
|
|
| 2 | 56 |
8.4%
|
|
| 3 | 28 |
4.2%
|
|
| 4 | 9 |
1.3%
|
|
| 5 | 6 |
0.9%
|
|
| 6 | 11 |
1.6%
|
|
| Sysmiss | 83 |