| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
2.1%
|
|
| 1 | 68 |
70.8%
|
|
| 2 | 20 |
20.8%
|
|
| 3 | 3 |
3.1%
|
|
| 4 | 2 |
2.1%
|
|
| 6 | 1 |
1%
|
|
| Sysmiss | 9607 |