| Value | Category | Cases | |
|---|---|---|---|
| 0 | 326 |
32.3%
|
|
| 1 | 368 |
36.5%
|
|
| 2 | 197 |
19.5%
|
|
| 3 | 92 |
9.1%
|
|
| 4 | 16 |
1.6%
|
|
| 5 | 8 |
0.8%
|
|
| 8 | 1 |
0.1%
|
|
| Sysmiss | 1 |