| Value | Category | Cases | |
|---|---|---|---|
| 0 | 278 |
67.3%
|
|
| 1 | 82 |
19.9%
|
|
| 2 | 31 |
7.5%
|
|
| 3 | 10 |
2.4%
|
|
| 4 | 5 |
1.2%
|
|
| 5 | 2 |
0.5%
|
|
| 6 | 3 |
0.7%
|
|
| 7 | 2 |
0.5%
|
|
| Sysmiss | 509 |