| Value | Category | Cases | |
|---|---|---|---|
| 0 | 211 |
23.5%
|
|
| 1 | 115 |
12.8%
|
|
| 2 | 255 |
28.4%
|
|
| 3 | 163 |
18.1%
|
|
| 4 | 66 |
7.3%
|
|
| 5 | 57 |
6.3%
|
|
| 6 | 24 |
2.7%
|
|
| 7 | 8 |
0.9%
|
|
| Sysmiss | 923 |