| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
2.6%
|
|
| 1 | 33 |
4.8%
|
|
| 2 | 232 |
33.5%
|
|
| 4 | 1 |
0.1%
|
|
| 6 | 93 |
13.4%
|
|
| 7 | 246 |
35.5%
|
|
| 9 | 65 |
9.4%
|
|
| 11 | 5 |
0.7%
|
|
| Sysmiss | 1244 |