| Value | Category | Cases | |
|---|---|---|---|
| 0 | 969 |
94.1%
|
|
| 1 | 33 |
3.2%
|
|
| 2 | 20 |
1.9%
|
|
| 3 | 5 |
0.5%
|
|
| 4 | 3 |
0.3%
|
|
| Sysmiss | 1232 |