| Value | Category | Cases | |
|---|---|---|---|
| 0 | 177 |
26.7%
|
|
| 1 | 141 |
21.3%
|
|
| 2 | 136 |
20.5%
|
|
| 3 | 97 |
14.6%
|
|
| 4 | 50 |
7.5%
|
|
| 5 | 12 |
1.8%
|
|
| 6 | 2 |
0.3%
|
|
| 7 | 48 |
7.2%
|
|
| Sysmiss | 1 |