| Value | Category | Cases | |
|---|---|---|---|
| 0 | 270 |
67.8%
|
|
| 1 | 42 |
10.6%
|
|
| 2 | 37 |
9.3%
|
|
| 3 | 43 |
10.8%
|
|
| 4 | 2 |
0.5%
|
|
| 5 | 1 |
0.3%
|
|
| 6 | 2 |
0.5%
|
|
| 17 | 1 |
0.3%
|
|
| Sysmiss | 2 |