| Value | Category | Cases | |
|---|---|---|---|
| 0 | 617 |
80.9%
|
|
| 1 | 54 |
7.1%
|
|
| 2 | 45 |
5.9%
|
|
| 3 | 29 |
3.8%
|
|
| 4 | 8 |
1%
|
|
| 5 | 3 |
0.4%
|
|
| 6 | 7 |
0.9%
|
|
| Sysmiss | 197 |