| Value | Category | Cases | |
|---|---|---|---|
| 0 | 59 |
15%
|
|
| 1 | 297 |
75.4%
|
|
| 2 | 32 |
8.1%
|
|
| 3 | 4 |
1%
|
|
| 4 | 1 |
0.3%
|
|
| 10 | 1 |
0.3%
|
|
| Sysmiss | 10 |