| Value | Category | Cases | |
|---|---|---|---|
| 0 | 177 |
30.3%
|
|
| 1 | 113 |
19.3%
|
|
| 2 | 174 |
29.8%
|
|
| 3 | 74 |
12.7%
|
|
| 4 | 29 |
5%
|
|
| 5 | 15 |
2.6%
|
|
| 6 | 2 |
0.3%
|
|
| Sysmiss | 3 |