| Value | Category | Cases | |
|---|---|---|---|
| 0 | 220 |
60.4%
|
|
| 1 | 123 |
33.8%
|
|
| 2 | 13 |
3.6%
|
|
| 3 | 4 |
1.1%
|
|
| 4 | 1 |
0.3%
|
|
| 5 | 2 |
0.5%
|
|
| 6 | 1 |
0.3%
|
|
| Sysmiss | 6815 |