| Value | Category | Cases | |
|---|---|---|---|
| 0 | 247 |
87.3%
|
|
| 1 | 16 |
5.7%
|
|
| 2 | 8 |
2.8%
|
|
| 3 | 7 |
2.5%
|
|
| 4 | 2 |
0.7%
|
|
| 6 | 2 |
0.7%
|
|
| 9 | 1 |
0.4%
|
|
| Sysmiss | 217 |