| Value | Category | Cases | |
|---|---|---|---|
| 0 | 311 |
74.8%
|
|
| 1 | 29 |
7%
|
|
| 2 | 25 |
6%
|
|
| 3 | 4 |
1%
|
|
| 4 | 2 |
0.5%
|
|
| 5 | 26 |
6.3%
|
|
| 6 | 2 |
0.5%
|
|
| 7 | 17 |
4.1%
|
|
| Sysmiss | 496 |