| Value | Category | Cases | |
|---|---|---|---|
| 0 | 242 |
84.9%
|
|
| 1 | 11 |
3.9%
|
|
| 2 | 12 |
4.2%
|
|
| 3 | 10 |
3.5%
|
|
| 4 | 4 |
1.4%
|
|
| 6 | 5 |
1.8%
|
|
| 8 | 1 |
0.4%
|
|
| Sysmiss | 1 |