| Value | Category | Cases | |
|---|---|---|---|
| 0 | 327 |
45.6%
|
|
| 1 | 312 |
43.5%
|
|
| 2 | 66 |
9.2%
|
|
| 3 | 7 |
1%
|
|
| 4 | 4 |
0.6%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 1340 |