| Value | Category | Cases | |
|---|---|---|---|
| 0 | 266 |
19.4%
|
|
| 1 | 230 |
16.8%
|
|
| 2 | 212 |
15.5%
|
|
| 3 | 148 |
10.8%
|
|
| 4 | 77 |
5.6%
|
|
| 5 | 29 |
2.1%
|
|
| 6 | 3 |
0.2%
|
|
| 7 | 405 |
29.6%
|
|
| Sysmiss | 13 |