| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.5%
|
|
| 1 | 83 |
43.2%
|
|
| 2 | 31 |
16.1%
|
|
| 3 | 11 |
5.7%
|
|
| 4 | 17 |
8.9%
|
|
| 5 | 1 |
0.5%
|
|
| 6 | 11 |
5.7%
|
|
| 7 | 36 |
18.8%
|
|
| 21 | 1 |
0.5%
|
|
| Sysmiss | 396 |