| Value | Category | Cases | |
|---|---|---|---|
| 0 | 181 |
19.8%
|
|
| 1 | 22 |
2.4%
|
|
| 2 | 703 |
77%
|
|
| 3 | 6 |
0.7%
|
|
| 4 | 1 |
0.1%
|
|
| Sysmiss | 3017 |