| Value | Category | Cases | |
|---|---|---|---|
| 0 | 368 |
35.2%
|
|
| 1 | 617 |
59%
|
|
| 2 | 43 |
4.1%
|
|
| 3 | 13 |
1.2%
|
|
| 4 | 4 |
0.4%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 142149 |